OpenTechnical

OT-2026-000044709

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000044709) never changes.

Identity and time

Publication numberOT-2026-000044709 · never reused
Internal UUID01a0ae7c-39da-7c57-a694-4c8ff307e522 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044709
StatusPUBLIC

Content hashes

Canonical text67876c6dc58eb60dfc8ff2320b980e0405f31ca51e4ec754ba7263ea969d272a
Markdowna77a2d341133deeaef9561100021f3ea0eef4bca300e4be0b1bd08960e6e4bf6
PDF
Publication pagef0fed9d14c6d79030f84079f95f89948bf580721ddddf16ff88c4325664477b4
Manifest614a2a9e593442ff6b14202b5cf8d9067d129074f6c471b97724a6c85879379f

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
SignatureX2BcNA2lBdyA9oJkx8Ul0KPADfZL5t4qdSBBcPcctiAfDQc1ZSHgOYEg93pMbIlxG9p5bRjpUY0agQVVmqoYAA==
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

2026-09-17T11:11:58.322141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044709
observed f0fed9d14c6d79030f84079f95f89948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:58.300181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044709/manifest.json
observed 614a2a9e593442ff6b14202b5cf8d906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:58.280793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044709/publication.md
observed a77a2d341133deeaef9561100021f3ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:58.261612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044709/publication.txt
observed 67876c6dc58eb60dfc8ff2320b980e04...
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.