OpenTechnical

OT-2026-000014651

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000014651) never changes.

Identity and time

Publication numberOT-2026-000014651 · never reused
Internal UUID01a0ae6d-d093-7863-8766-bbc1c3d07fee · 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-2026-000014651
StatusPUBLIC

Content hashes

Canonical text62fdf16a8ec58c4dd4280cc948010654ae1e65f7a0b343471cf2bb032f5d53cb
Markdownda3a5c2a59c764eca7ca090192ed6f93582fc1108f005371bb2c342898397c95
PDF
Publication pagef754c38fe579bb1550bf9bc0ddf0298055ac1d48b4e63fefb5e0de4d4ff3c2bc
Manifest14061024e9d8bbe736d4f33863d1e469e4d9a36b9625aaeb470decd14b6b6392

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
SignatureX+bPYf6a5qtg3yOvJ7BZKLAS0aybFPKiew18kbm9/84EaBPiotYxGXqnk5pT7yeU+i50iRVEWFLFWhEWEPINBQ==
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

2026-09-17T12:06:28.481540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014651
observed f754c38fe579bb1550bf9bc0ddf02980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:28.462622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014651/manifest.json
observed 14061024e9d8bbe736d4f33863d1e469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:28.444343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014651/publication.md
observed da3a5c2a59c764eca7ca090192ed6f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:28.425374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014651/publication.txt
observed 62fdf16a8ec58c4dd4280cc948010654...
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.