OpenTechnical

OT-2026-000097806

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000097806) never changes.

Identity and time

Publication numberOT-2026-000097806 · never reused
Internal UUID01a0aea1-92f6-72de-bff7-949385262460 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097806
StatusPUBLIC

Content hashes

Canonical text7ee90d1b9cc075e08e053f7b22ffc04b53ef5157130384ed26dbe19dcd5536c6
Markdown313193a02f339145b223a4eff42292375ddadb5b9e1a3e84b186e2d459f268db
PDF
Publication page0136e4de959e1a8372e1765d846fb4e80f2a1182ca5d2377138bcd69afef0f56
Manifestfd4d2d2dc223c404acf2df7fe5c35581c12b4a18f1d2b6e4f1212e40ca9464d4

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
Signature9hBJ7W7K/LZJqoFA3IkbFSmd4mcNKqpbG34XVgLmFFPr7aDBrDssPh5Tiv+pqW7UoftTge4ZGzmAChNq5UK+AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:53.545700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097806
observed 0136e4de959e1a8372e1765d846fb4e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.528862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097806/manifest.json
observed fd4d2d2dc223c404acf2df7fe5c35581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.511283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097806/publication.md
observed 313193a02f339145b223a4eff4229237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.494977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097806/publication.txt
observed 7ee90d1b9cc075e08e053f7b22ffc04b...
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.