OpenTechnical

OT-2026-000063665

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000063665) never changes.

Identity and time

Publication numberOT-2026-000063665 · never reused
Internal UUID01a0ae8c-f946-707b-b11c-97823e82fd9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063665
StatusPUBLIC

Content hashes

Canonical text7bcf6460ebb0224913d04a2e087c9d04ad1d065efd7e8a8225675a911e9259d7
Markdown76b22623f669970b77cc2f15fae23fcca10408041888fc7e64862508c41d1406
PDF
Publication page9ef16c663fed7d38e181f154bfdc789f516a42928cff3f08f5bfe13c2429f4a9
Manifest4608b4c7ebccd2b5fdc2a1a94db14974c115eff96a37c35ba020804643a85dec

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
SignatureUCw4lE3chEwuRw/D7+Oy/Qn8G4n1ZjX+ZvKyhkM//q6u7TEOY+7suQjWklz34nRIS2NSgdZ1nzVxMDzjlyLFCQ==
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

2026-09-17T10:37:46.587042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063665
observed 9ef16c663fed7d38e181f154bfdc789f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.566688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063665/manifest.json
observed 4608b4c7ebccd2b5fdc2a1a94db14974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.545823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063665/publication.md
observed 76b22623f669970b77cc2f15fae23fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.527282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063665/publication.txt
observed 7bcf6460ebb0224913d04a2e087c9d04...
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.