OpenTechnical

OT-2026-000067371

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000067371) never changes.

Identity and time

Publication numberOT-2026-000067371 · never reused
Internal UUID01a0ae8f-6bd8-7eb2-bc04-c4af5bb527f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067371
StatusPUBLIC

Content hashes

Canonical text64f7cc0fd30ad0e5dae6429c88517b99707fd3da5d337c04a1cf6b49b2f7c246
Markdown787a8805fa57207b70aa3931cd23838c7c4fa808229e93fc8dde9b52807035c9
PDF
Publication page6352683b701118a48eaae0ac9bff56823bb8fa8c0e8106fd558e3d6ce7d48f93
Manifestde85d9d7ee7b70d22ad86f53d4e34288ff6420b4452b450d3bbe47f771413043

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
SignaturepKj/fdGcP+G9RQ1q+froti2yjpcOMnD6Abiw7CtK9+fUb7RqG2IQ5hFheDOeQN3lBk4T//fcs0UsteWQ5k7qCg==
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

2026-09-17T10:31:33.478512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067371
observed 6352683b701118a48eaae0ac9bff5682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.462137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067371/manifest.json
observed de85d9d7ee7b70d22ad86f53d4e34288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.443389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067371/publication.md
observed 787a8805fa57207b70aa3931cd23838c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.426621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067371/publication.txt
observed 64f7cc0fd30ad0e5dae6429c88517b99...
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.