OpenTechnical

OT-2026-000037628

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000037628) never changes.

Identity and time

Publication numberOT-2026-000037628 · never reused
Internal UUID01a0ae77-b8cf-7187-a896-e30aa1722a33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037628
StatusPUBLIC

Content hashes

Canonical textb7b0d6318363e7018e3cbef29175858858ed6719e5088ad06518eaa503fc897c
Markdown41ae0ab3c75151fb93ac723058dc2c82589993b9a184bcfdd5db376331d0c617
PDF
Publication pagedacd3772fd5b097524d889843c98d38f7f57494ca6e928b950e307ab81548429
Manifestbcc1154e2db956a9d885dcf5c18d8d32997a13020de5b3aed07d8a65e7e0b624

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
SignatureR6vlCbttv5aBLjGP8kWXRBPjXlUBwgwrVyq6JH/35dVKsv7BCw6IfXNkH2bnLrnvr5RCnIFAlidkqn4g82nnBA==
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

2026-09-17T11:24:11.574099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037628
observed dacd3772fd5b097524d889843c98d38f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.557226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037628/manifest.json
observed bcc1154e2db956a9d885dcf5c18d8d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.537924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037628/publication.md
observed 41ae0ab3c75151fb93ac723058dc2c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.519301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037628/publication.txt
observed b7b0d6318363e7018e3cbef291758588...
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.