OpenTechnical

OT-2026-000076178

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000076178) never changes.

Identity and time

Publication numberOT-2026-000076178 · never reused
Internal UUID01a0ae94-6a6f-75bd-949b-122e9fb595ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076178
StatusPUBLIC

Content hashes

Canonical text5473ddceec23f8ff76caba8cd98c48e21d4eb3b8bcba8e555f7d49ab3b7fa70a
Markdown0a7571bbad82c9b984997c41bf78be44c47155aa919c339e21693d3c3593c787
PDF
Publication pageef16a40932bd415c938f56e26c53cf1b334ef0bd18746fbca19fb60c44e8b21b
Manifest8e65ea632f4806bd08616317cf7aac95463a782d4658e636d70607e09c259ebc

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
SignatureLEWl2Rb6v9Fm7BqHTn9ROA9l3KwD+k6fzcFhtbI0xC/y/XesIJw4vu9EVkvUQspMM0+GYSixpfrd/Gv90q+6Dg==
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

2026-09-17T10:11:27.541528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076178
observed ef16a40932bd415c938f56e26c53cf1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:27.521860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076178/manifest.json
observed 8e65ea632f4806bd08616317cf7aac95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:27.504142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076178/publication.md
observed 0a7571bbad82c9b984997c41bf78be44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:27.484125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076178/publication.txt
observed 5473ddceec23f8ff76caba8cd98c48e2...
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.