OpenTechnical

OT-2026-000076334

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000076334) never changes.

Identity and time

Publication numberOT-2026-000076334 · never reused
Internal UUID01a0ae94-6a70-7e4e-957c-731e30057a01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076334
StatusPUBLIC

Content hashes

Canonical textf10cc1b5088393cabe92fbf681f57c5a87a320988c59684d9e160871d95cf822
Markdown4b20673760167c5ed54229f1b97b58bca62b81ac5e800ef0dc84745ab33d3f44
PDF
Publication page8b60f5774c1711ef592867edd585c9362d019c08849a6d30e6059e0fc5babe97
Manifest3c2181d636ad3ea9189c7831290087e07e1f8f40ada82d54b1a701a87e3120a7

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
SignatureXeBZzNtw5L3hmVcUigLqzQkC4lgOLwE1jWuv/MVqffiDNa+MbXSN3jdY9/oirgtBtI7Ts4FwD3N2JMDG6PdQAw==
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

2026-09-17T10:12:11.454043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076334
observed 8b60f5774c1711ef592867edd585c936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.435369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076334/manifest.json
observed 3c2181d636ad3ea9189c7831290087e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.416297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076334/publication.md
observed 4b20673760167c5ed54229f1b97b58bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.397822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076334/publication.txt
observed f10cc1b5088393cabe92fbf681f57c5a...
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.