OpenTechnical

OT-2026-000045712

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000045712) never changes.

Identity and time

Publication numberOT-2026-000045712 · never reused
Internal UUID01a0ae7d-8f04-7932-b014-83efbe8de89d · 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-2026-000045712
StatusPUBLIC

Content hashes

Canonical text894ae4d8d37b46c82c1db5d7ce94111e3f0c1446a383263456ae2f9f5e333b12
Markdown1f8612497900c1ec16c7fa6c297935ae3e3e074d0643f735717692c26f301995
PDF
Publication page61516d099a45ed2a5910ce0e8a1940f105bee556cc49309e9739503afe0dc1ba
Manifest3130b91e7208e6bc321db53b8ca7543c80cf760cc39ebf792ac17805ac0b58b5

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
Signature0TOghFH8J5FCuhe30+5keKodcxtHhW7g6H2iO5hFtKnRcyCbVld6i5lDI+8/RW3cH7GpbzULj0ZhCvygweeHDQ==
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

2026-09-17T11:09:31.326479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045712
observed 61516d099a45ed2a5910ce0e8a1940f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.308242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045712/manifest.json
observed 3130b91e7208e6bc321db53b8ca7543c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.289292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045712/publication.md
observed 1f8612497900c1ec16c7fa6c297935ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.269132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045712/publication.txt
observed 894ae4d8d37b46c82c1db5d7ce94111e...
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.