OpenTechnical

OT-2026-000026453

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000026453) never changes.

Identity and time

Publication numberOT-2026-000026453 · never reused
Internal UUID01a0ae71-f4a8-7e89-b63a-d4cf91894727 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026453
StatusPUBLIC

Content hashes

Canonical text9b96bc0fc5a6c3f86ef82906786d20c8b2fa76cfc6022cc235c1ef3b98b75b83
Markdowne2d2c7e1876f92bf0b61d3e2f15294cafa03eea1b962d7374ae7b930891a365d
PDF
Publication pagefae1bc2401bb43ab8c8bab4147db842a714c614b3c0dffd801afb3f936bc28fa
Manifest09fbc5da02481e7cf487799a98294ce1efafaaf9cd8b569eeeb3f83fe46e27cd

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
SignatureHO85N3/3wVIdZm25oGToK7hG6+cMNyoGYwXXQaMimvKr9HrkYaHfNOJD4BxFHenmb3JYK2PezyBzKTtlyM+dCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:27.266113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026453
observed fae1bc2401bb43ab8c8bab4147db842a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.250990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026453/manifest.json
observed 09fbc5da02481e7cf487799a98294ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.234207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026453/publication.md
observed e2d2c7e1876f92bf0b61d3e2f15294ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.217246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026453/publication.txt
observed 9b96bc0fc5a6c3f86ef82906786d20c8...
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.