OpenTechnical

OT-2026-000073636

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000073636) never changes.

Identity and time

Publication numberOT-2026-000073636 · never reused
Internal UUID01a0ae93-2b8c-77a2-a3a0-14443be621b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073636
StatusPUBLIC

Content hashes

Canonical textd55e38cdfbb0818601b98ae84e756ace63fe7afd8d93876739b93f236767f2cd
Markdownc2ea2b29ed579f1320408d4284843fb022a10b52ee94cfb7ce50810bce65b3a3
PDF
Publication page01f848ed97ec750d146006119a972c7c61478fcc341f182b4a47e46ba467663b
Manifest103b013c2a06a13bff5fcf2cea6a4adc99e315d6748c63003da8ec6679f5140a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureExi4xjt/EOR2OCpoH0dTIpY11Y/dhO7uiYoW2S1YrkRUhhYWk899B/hS1IXmPTecUGgcP6CN+s1hl7yrdpUHCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:40.892608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073636
observed 01f848ed97ec750d146006119a972c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.873425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073636/manifest.json
observed 103b013c2a06a13bff5fcf2cea6a4adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.854746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073636/publication.md
observed c2ea2b29ed579f1320408d4284843fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.835643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073636/publication.txt
observed d55e38cdfbb0818601b98ae84e756ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.