OpenTechnical

OT-2026-000032374

Publication integrity record

Foam pad vacuum gripper, 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-2026-000032374) never changes.

Identity and time

Publication numberOT-2026-000032374 · never reused
Internal UUID01a0ae75-106e-7e93-9ba0-c42f139b9880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032374
StatusPUBLIC

Content hashes

Canonical texteb2fb7f4c440148d5cfedd80e0c378432dbe5768ed79d05c3d70e381b6c3c13a
Markdowna83888060a43f364f980a0a0d99ab4f1a7ce7bfc9c397b536d69a36573c65c3e
PDF
Publication page9d0ca92da0411ec3b00fe0c4cd6503b585d7b9e1abed61e3b549958c2d753dd3
Manifest97068338eeeae095ad38d9a48a1f50ac0b5af23bd9c39df46ab7ca2079464730

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
Signaturedfa//Ybb4WgDBrPBttjwvpF9nztAqEUW0Nms+zc8sLEZV/Ow45BBOOF+N9zK1P3WXANQqAMqH4hb6qAXyKa0DA==
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

2026-09-17T11:33:46.730782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032374
observed 9d0ca92da0411ec3b00fe0c4cd6503b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:46.711160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032374/manifest.json
observed 97068338eeeae095ad38d9a48a1f50ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:46.690893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032374/publication.md
observed a83888060a43f364f980a0a0d99ab4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:46.668190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032374/publication.txt
observed eb2fb7f4c440148d5cfedd80e0c37843...
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.