OpenTechnical

OT-2026-000011354

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000011354) never changes.

Identity and time

Publication numberOT-2026-000011354 · never reused
Internal UUID01a0ae6c-88fe-7f33-bb45-1336661d12e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011354
StatusPUBLIC

Content hashes

Canonical text756b47b5f3573f45d753c520aeeca555aa430796e82624599f78b693455349ef
Markdown67d0ade049b957bd6a8b53f90473d4a1184331cc6887c25fc44b6b0fb8e351de
PDF
Publication pageb8f63870eab9461ef5534760f3fe28ae29bfac027ab94c2e30fa253810060e91
Manifest99436c90b8fcca15cdf6c38180f3ea35643b14d62d3cde1ff657e86620c5e7ab

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
SignatureRWdOk99/KPTShgA9D/fMNKs/WZSUEnkz57oJ9AxRaSRCoZI/AOMY3SKcaKiPG1c43TE+r85MUBckNXOD8OLuCA==
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

2026-09-17T12:13:05.092417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011354
observed b8f63870eab9461ef5534760f3fe28ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:05.072763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011354/manifest.json
observed 99436c90b8fcca15cdf6c38180f3ea35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:05.050103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011354/publication.md
observed 67d0ade049b957bd6a8b53f90473d4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:05.027554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011354/publication.txt
observed 756b47b5f3573f45d753c520aeeca555...
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.