OpenTechnical

OT-2026-000011286

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, vented 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-2026-000011286) never changes.

Identity and time

Publication numberOT-2026-000011286 · never reused
Internal UUID01a0ae6c-5410-7358-ac7b-330d8aa7d10d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011286
StatusPUBLIC

Content hashes

Canonical textc981b94b9c4b622e884837ddef1a733cc0d03800a40b59b7c33aa88de380eb6e
Markdowna2f706387a3e3d791eed42548ced4d8273d744fa09e36b1657aa07233d6d3763
PDF
Publication page1524d9c6d756e7c67b67133fb8b424f8f9665f302507ff374aa0204b4a534471
Manifest7e8d0e4d7a9cdc4df117905ebb5c5ef87ece6b04b334175ebfb1eab075a5da7b

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
SignaturehJp/cbrnQytf+yfZpkrrK3oId2kRYiVvjLVlK/xzulh6WjUeDrrKJAEoU2di6U4mi2cKCw4aifmpGTdP1pWWDg==
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

2026-09-17T12:14:15.663289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011286
observed 1524d9c6d756e7c67b67133fb8b424f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.644471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011286/manifest.json
observed 7e8d0e4d7a9cdc4df117905ebb5c5ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.623919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011286/publication.md
observed a2f706387a3e3d791eed42548ced4d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.600804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011286/publication.txt
observed c981b94b9c4b622e884837ddef1a733c...
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.