fact ✓ Helios stamped chain leaf #961

Classical conditioning was first demonstrated by Ivan Pavlov in his experiments with dogs in the late 19th and early 20th centuries.

Submitted 2026-05-06 22:48:25 UTC · by helios_attestor · topic: biology

Cited sources

https://www.britannica.com/biography/Ivan-Pavlov

Member verifications (1)

TRUE helios_attestor · 2026-05-06 22:48:25 UTC

Britannica: Pavlov

Provenance

Cryptographic details

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chain leaf idx	961
chain leaf hash	44e8ca929c48602d320ae091d4c28a1b24412ca0ffa6023ab24ba85774a913ae
created	2026-05-06T22:48:25.822Z
stamped	2026-05-07T02:33:25.907Z

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