OpenTechnical

OT-2026-000076164

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000076164) never changes.

Identity and time

Publication numberOT-2026-000076164 · never reused
Internal UUID01a0ae94-6a6f-755a-8e4d-1558b95eef8c · 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-2026-000076164
StatusPUBLIC

Content hashes

Canonical textfd7031b3e928371a44f93992b61bee5fe2a1f7e338d79aebddbc7a4804c6c5e6
Markdown301987af709520430c7b85a451058b3aa398ad6fe70d94cc96eb3c938999d25f
PDF
Publication pagec8e57c4058c99b265c6cadb5406addda249fe51dae59444b81c8bd46075b5273
Manifestefcab1a0ce5e2f550f4e10a2df9ab5075b2cad7c2dd42ca7ef576418f30cd756

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
SignatureRVU2XDbL0n3uPrflsK+qb+ZbfirsT6sQ6VPi54AQmp7ABLDmu29U8uHTCbPyOrWzELaZGuIIdMeqSyH6o8RdBw==
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

2026-09-17T10:11:22.760852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076164
observed c8e57c4058c99b265c6cadb5406addda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.743286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076164/manifest.json
observed efcab1a0ce5e2f550f4e10a2df9ab507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.718843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076164/publication.md
observed 301987af709520430c7b85a451058b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.697109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076164/publication.txt
observed fd7031b3e928371a44f93992b61bee5f...
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.