OpenTechnical

OT-2026-000092995

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000092995) never changes.

Identity and time

Publication numberOT-2026-000092995 · never reused
Internal UUID01a0ae9e-090f-7f04-a11a-92ea563c7b38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092995
StatusPUBLIC

Content hashes

Canonical text755f2af13c6fc6499a07863b8f6c370324ff4224de113d9500fc6976e2121e91
Markdownbc231ebe55da2365c1f55948d864d4e74a5bf87f490b460ab32d6af2a756ffb0
PDF
Publication page3cad90ce891a352c859a9bfef6073d24d215b668a71df0b66d7d334c16127a1e
Manifest16018ed46622cdc6f6cb03b16af07bc161dc50d832a526b430f868a24486c0b0

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
SignatureLuGiwb7ymdMqAkj9uGHh+H1EeYRmOaTClMiWP4S8g22U04J5VU293NecZR0qt4T5Vx8mzX+v4yOkpuKyRT9/Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:11.905153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092995
observed 3cad90ce891a352c859a9bfef6073d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.888722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092995/manifest.json
observed 16018ed46622cdc6f6cb03b16af07bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.865229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092995/publication.md
observed bc231ebe55da2365c1f55948d864d4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.846232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092995/publication.txt
observed 755f2af13c6fc6499a07863b8f6c3703...
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.