UNESCO Samos listing includes the Tunnel of Eupalinos, later attached to the island’s fame not as his autograph
The 1992 UNESCO Pythagoreion listing includes a water-tunnel of the archaic island. Later tourist copy can attach it to Pythagoras without an autograph. In the causal graph this event weakens Energy Security, a driver that strengthens Poverty headcount ratio at $3.00 a day (2021 PPP) (% of population) — an improving welfare path.
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The 1992 UNESCO Pythagoreion listing includes a water-tunnel of the archaic island. Later tourist copy can attach it to Pythagoras without an autograph.
Context
Split the listing as conservation-access.
Pythagoras is not the sole author of every later object, law, or museum label that uses the name. Shared work with courts, excavators, printers, spouses, officials, and later states does not erase a documented role, and it does not make an ancient person the signer of a twentieth-century statute.
Why it matters
A 1992 listing is not a 6th-century engineering diary of Pythagoras.
Who was responsible
Contribution type and responsibility level for each recorded actor — not sole-author shorthand.
Pythagoras
PersonDirect responsibility
responsibility level 0.11 · verified
Named sage as heading of later school reports. Iamblichus, Euclid’s editors, and later math teachers publish the instrument.
What changed
Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.
- FactUNESCO Samos listing includes the Tunnel of Eupalinos, later attached to the island’s fame not as his autograph
- weakensDriverEnergy Security
- strengthensIndicators (4)Poverty headcount ratio at $3.00 a day (2021 PPP) (% of population)
impact weight 0.2 · Effect from 1 January 1992 · verified
A 1992 listing is not a 6th-century engineering diary of Pythagoras.
Strengthens · Relationship strength 0.12 (weight 0.2 × strength 0.62)
Observed
10.4% · 10.2 above the normal line (2024)
Worse than normal7 readings, 2018–2024: fell from 11.1% to 10.4%.
Above normal = worse
Weakens · Relationship strength 0.12 (weight 0.2 × strength 0.6)
Observed
7.97% of population aged 16 years or over · 5.2 above the normal line (2025)
Worse than normal8 readings, 2018–2025: rose from 7.77% of population aged 16 years or over to 7.97% of population aged 16 years or over.
Above normal = worse
Strengthens · Relationship strength 0.1 (weight 0.2 × strength 0.5)
Observed
91.6% of population · 8.4 below the normal line (2023)
Worse than normal4 readings, 2020–2023: rose from 90.4% of population to 91.6% of population.
Above normal = better
All indicators on this path (4)
- Better
Weakens · Relationship strength 0.1 (weight 0.2 × strength 0.48)
Observed
80 Years · 2.3 below the normal line (2023)
Worse than normal6 readings, 2018–2023: rose from 79.5 Years to 80 Years.
Above normal = better
Evidence
The sources behind this fact and its verification state.
- 1.UNESCO — Pythagoreion and Heraion of SamosUNESCO World Heritage Centre · High credibility · verified
- 2.MacTutor — Pythagoras of SamosUniversity of St Andrews · High credibility · verified
Causal path
How this event connects to drivers and indicators in the graph.
- ActorPythagoras
- contributed toFactUNESCO Samos listing includes the Tunnel of Eupalinos, later attached to the island’s fame not as his autograph
- weakensDriverEnergy Security
- strengthensIndicatorPoverty headcount ratio at $3.00 a day (2021 PPP) (% of population)
Cite this page
Factrail. (2026). UNESCO Samos listing includes the Tunnel of Eupalinos, later attached to the island’s fame not as his autograph. Factrail. https://factrail.ai/facts/py-energy-samos-tunnel-as-later
https://factrail.ai/facts/py-energy-samos-tunnel-as-later
Accessed 17 October 2026.
By the Factrail desk · Method: how we source and score · Last reviewed
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