OpenTechnical

OT-2026-000037550

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000037550) never changes.

Identity and time

Publication numberOT-2026-000037550 · never reused
Internal UUID01a0ae77-b8ce-7b78-a86e-fd1b35b7c571 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037550
StatusPUBLIC

Content hashes

Canonical text1a8e7ec256916405e49ff8982832a79cd193fcdeba19264767ad187003981347
Markdown3983948a310179cf3457868edacceccf36f052e23f1cbbeb0516c02a494ff463
PDF
Publication page2c8bc9b69579cfbcf51af989e846eaa86f0143907a84226134bb644aa80d822d
Manifest5c74c546dfa1ec3fc9289450d65813ba3cfd006cccbf6e96bf48216df5170d18

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
SignaturelyAhX9SmmvzAwUnufYXaUE5SjlvPfbxUc+vqb9o8RTuH8BZ6jjySHSd9oc+vEXlrXHbr44gOIikOT6J8CVePAw==
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

2026-09-17T11:24:05.526773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037550
observed 2c8bc9b69579cfbcf51af989e846eaa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.508940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037550/manifest.json
observed 5c74c546dfa1ec3fc9289450d65813ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.491657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037550/publication.md
observed 3983948a310179cf3457868edacceccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.474238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037550/publication.txt
observed 1a8e7ec256916405e49ff8982832a79c...
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.