OpenTechnical

OT-2026-000014763

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000014763) never changes.

Identity and time

Publication numberOT-2026-000014763 · never reused
Internal UUID01a0ae6d-d094-78a6-a7e8-e69f09b7a61f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014763
StatusPUBLIC

Content hashes

Canonical text423008078205fe391ecba45e3df2a5a49a01b2f9c6089d0eef95b4a2f34ad0d7
Markdown6b7ac3034641d5230d63ac76012edc1e532cefe04b4bb9bcfe59dcf5ca3b44f0
PDF
Publication pagea9a959789480e2976b972bd1efc6fb6877b36295d8a7a10e4fc89ab094ade912
Manifest8e2202e74211bdf54c2b504aaa2e19caedc697ed9103e856bc5be1aab6d1f157

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
SignaturebgI1crHN0kHz51pFNdAykznKdUipnQyHO77j71MN4fx6fjWiJNXeRxP24F0kLdPWo5fg4Ciz2KBtg2TGEONvAQ==
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

2026-09-17T12:06:38.877118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014763
observed a9a959789480e2976b972bd1efc6fb68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:38.858467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014763/manifest.json
observed 8e2202e74211bdf54c2b504aaa2e19ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:38.839698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014763/publication.md
observed 6b7ac3034641d5230d63ac76012edc1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:38.822965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014763/publication.txt
observed 423008078205fe391ecba45e3df2a5a4...
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.