OpenTechnical

OT-2026-000025659

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000025659) never changes.

Identity and time

Publication numberOT-2026-000025659 · never reused
Internal UUID01a0ae71-9bc9-7f3d-888e-0c96172d60fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025659
StatusPUBLIC

Content hashes

Canonical textc6a8d576d3d425d191ff5b0d225abff1bc7997f82f14cb64767aba4576092b4b
Markdowna42fabbd9c0e241d1cd6d8865051e003b07258eb94b29d93de6a738a553adc95
PDF
Publication page2768d795b54c91509d260ea57f908dce95e3d4e98c8129532ab5a648bb07abea
Manifest4aacc209e9aa5142b2b0dfe625cfa5e5d6296daa50d0d2aac39bb562d0b2fc35

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
SignatureVeFxnVe7aHAjugckqhVuyT97UzeDpjJkHyM+84rtHyVQcz+nVNS5H4x8bIa/a6W5YCM71HwMj8GIW12J4j1yCw==
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

2026-09-17T11:46:51.971368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025659
observed 2768d795b54c91509d260ea57f908dce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.919014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025659/manifest.json
observed 4aacc209e9aa5142b2b0dfe625cfa5e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.901811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025659/publication.md
observed a42fabbd9c0e241d1cd6d8865051e003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.882464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025659/publication.txt
observed c6a8d576d3d425d191ff5b0d225abff1...
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.