OpenTechnical

OT-2026-000074262

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000074262) never changes.

Identity and time

Publication numberOT-2026-000074262 · never reused
Internal UUID01a0ae93-7178-7bfb-b2b0-9f01f41e9816 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074262
StatusPUBLIC

Content hashes

Canonical text0f8c1a2257e7d3846754f8890a15a0db5d919e9c28fe758ddc505eb77b1a075d
Markdownd1c5c48cc3a559cfefcb2bc57897cead10b888bc2ceeb7f7a840a185fa25f857
PDF
Publication page6ac3484bcbba65f362c7df0f28d3471388c7773644e984e2499aa42577d84b07
Manifest54c5ab699b64ed5d7aac282299d0824d204aec0e82952f7bdc7ab8c023cbca06

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
SignatureirmBaRfvemvTZGDEV/Zxg6NJdSRetKaAQByCBHQNcIq3kmptilagEeLj2d5LtW16Frx9GAi0udAWsw+9QZ0aAQ==
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

2026-09-17T10:19:09.825915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074262
observed 6ac3484bcbba65f362c7df0f28d34713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:09.807860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074262/manifest.json
observed 54c5ab699b64ed5d7aac282299d0824d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:09.787064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074262/publication.md
observed d1c5c48cc3a559cfefcb2bc57897cead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:09.768359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074262/publication.txt
observed 0f8c1a2257e7d3846754f8890a15a0db...
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.