OpenTechnical

OT-2026-000013841

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000013841) never changes.

Identity and time

Publication numberOT-2026-000013841 · never reused
Internal UUID01a0ae6d-8de9-759e-9a3d-53339804b096 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013841
StatusPUBLIC

Content hashes

Canonical text0e5019a3448138f37be5a046e17e92e5818a1b5e85333268aaf97f645ead33ab
Markdownd7150726adb7dbeb5701f21b51efdbda71ae51d418e3856d64d0e8107c133503
PDF
Publication page575b681cb6fbf55fc96a21ad3df5052d7ddeb3b70c139176680378cb335ac0b3
Manifestab35a6051799b62b8c947a172bec458de24e1b38491ac90ddaae9f9c2561a709

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
Signature1eKmV4K/wObV7c3ISyyxGcOlB7QFvGtN8U8eLGDj+fdAxZnndVLPlSydCGYlzI0aAFn+IxuYmJI4tMjOkZEUCA==
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

2026-09-17T12:08:56.775307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013841
observed 575b681cb6fbf55fc96a21ad3df5052d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.756699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013841/manifest.json
observed ab35a6051799b62b8c947a172bec458d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.738132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013841/publication.md
observed d7150726adb7dbeb5701f21b51efdbda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.720349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013841/publication.txt
observed 0e5019a3448138f37be5a046e17e92e5...
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.