OpenTechnical

OT-2026-000040422

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040422) never changes.

Identity and time

Publication numberOT-2026-000040422 · never reused
Internal UUID01a0ae79-2701-7766-9cf8-5345fe230f5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040422
StatusPUBLIC

Content hashes

Canonical text12ef31765bcf9d8a717a52e33ae32efbe749e93c644453eeecb05f3a2f5fb396
Markdown1557cc6f114984717ba34c4e57d4b0190f832f1532e07d1501c2be3b098c9cb8
PDF
Publication page8fbfc63dbd55881f3c5f82475ff70858fdf04ff87e30256e164cb0937801fce5
Manifest91b388a7b46e6945ff90621c3a564adffb7f1bfab68ef52ef95f5e5081b7c818

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
SignatureU5inHy5AqxcVl6OkJiutEY9VCtJH7H4WZaPU8UOY0eGPdUZXvOdoykCml9ZbZNFoDNAR0imdFieiG3Magko1Aw==
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

2026-09-17T11:19:27.804400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040422
observed 8fbfc63dbd55881f3c5f82475ff70858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:27.784890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040422/manifest.json
observed 91b388a7b46e6945ff90621c3a564adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:27.767313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040422/publication.md
observed 1557cc6f114984717ba34c4e57d4b019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:27.749083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040422/publication.txt
observed 12ef31765bcf9d8a717a52e33ae32efb...
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.