OpenTechnical

OT-2026-000064164

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000064164) never changes.

Identity and time

Publication numberOT-2026-000064164 · never reused
Internal UUID01a0ae8d-a45f-7711-8a28-d186aa34b5ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064164
StatusPUBLIC

Content hashes

Canonical textd52d7620bff890f59317d4dd4b73f1cf9410a933140c03987f85df230ff8b92c
Markdownf6d970baef9aee1fae29579cb01fd3f597e0f39f0602308e676d9cba53153a75
PDF
Publication page78c101cdb64820b50d903284a4aed1451f6e5b92b67ab0b8f622d99fe7508388
Manifestec0cebee45f832d5861d4b0ea57d3211b0d8e4bf52e3e595cb56e61205cd634f

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
SignaturespXcxiShe2lx3RKI3nD9YvWIuWtjrobxjL+T8e2s6KmplsThpczA3dqUbWjOXELOfYGJgnST7BYcr9/uTITyCg==
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

2026-09-17T10:36:10.509303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064164
observed 78c101cdb64820b50d903284a4aed145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:10.491364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064164/manifest.json
observed ec0cebee45f832d5861d4b0ea57d3211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:10.472487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064164/publication.md
observed f6d970baef9aee1fae29579cb01fd3f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:10.452988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064164/publication.txt
observed d52d7620bff890f59317d4dd4b73f1cf...
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.