OpenTechnical

OT-2026-000020038

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000020038) never changes.

Identity and time

Publication numberOT-2026-000020038 · never reused
Internal UUID01a0ae6f-1fb7-750b-88b6-a7ba39760f50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020038
StatusPUBLIC

Content hashes

Canonical text3aa3a830328d3d34d773a350a2a603b0f626af5481e586a9039be2fa70096d1a
Markdown121a18061b655d264b29a0532e8fb15b0a9f1e7b1e091b44efb56a2bbe8f0436
PDF
Publication page3549276cd1b7a68c54ade30191da4e8210f9ab464c2860d63b559a1059d626d3
Manifestab06d9009ab6414bbb5f7475bf33d744cbe328f85caf7af42e5d4dcffaebf4fd

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
SignatureVbmF+8mE6BW9jTEGad9LRdMOl3raOk0/CML2VZq6vAL9Msy5rXVxf0FkobYjWxrKoU6adYqJagyAtwjsK0jMAA==
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

2026-09-17T11:58:17.741722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020038
observed 3549276cd1b7a68c54ade30191da4e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.723905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020038/manifest.json
observed ab06d9009ab6414bbb5f7475bf33d744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.704452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020038/publication.md
observed 121a18061b655d264b29a0532e8fb15b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.685505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020038/publication.txt
observed 3aa3a830328d3d34d773a350a2a603b0...
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.