OpenTechnical

OT-2026-000045640

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000045640) never changes.

Identity and time

Publication numberOT-2026-000045640 · never reused
Internal UUID01a0ae7d-8f03-7b44-bf83-8470e2a35899 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045640
StatusPUBLIC

Content hashes

Canonical text490235d547403655e7de4dc0a59993f450e9cdec43afd195bcdfadf7b0c0ca18
Markdown8eb3d7a013f4626fba3c8da3fbd298f8281033c958ce97e29a33a99e7255e9fa
PDF
Publication page426c662fce856c90b8b8aa4237a14e732b6a0e58aeb8d590859f181750d94920
Manifestccfbbd6863dbb9c2bdfca929a444aa0c069404220fe500b125b37b0a6c2bf47c

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
SignaturepAhEqc6U0E6LtUJ/e2xJk99u8r8LLn9N6F6wP/tCe2FVb7lCQjC2cnXB8bTC97JnZ9PnEimauIjHi8bMA1bPAg==
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

2026-09-17T11:09:25.606251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045640
observed 426c662fce856c90b8b8aa4237a14e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.587606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045640/manifest.json
observed ccfbbd6863dbb9c2bdfca929a444aa0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.568898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045640/publication.md
observed 8eb3d7a013f4626fba3c8da3fbd298f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.551032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045640/publication.txt
observed 490235d547403655e7de4dc0a59993f4...
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.