OpenTechnical

OT-2026-000039927

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000039927) never changes.

Identity and time

Publication numberOT-2026-000039927 · never reused
Internal UUID01a0ae78-d8d7-7daf-a89a-e034bf82aa6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039927
StatusPUBLIC

Content hashes

Canonical text9252be6beda08307188cd3b22c6616585f3a25ab50a0a14a3f2a9f8638253044
Markdownab5196e14b3a940fb06e398b4b8425ddc663392d9b5a24ce2abcae6d14af5f05
PDF
Publication pagee3f87d6827417d815df03bb909b1d742910304342b0b9aab2b4717ee8e1160bd
Manifest99c0d92fcf512ba36d07cee7037eaa01bd5292ec4e15fd1977ccd093921fa3c3

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
SignatureB8GJuYegN2H7TNKY7tOJArmsax3TWrZDmrjWWo1BM1XL8DvZRecfpCWAIh4awcvVmWe8IUhEsJIQ/ZOl+lUZAA==
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

2026-09-17T11:20:13.590218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039927
observed e3f87d6827417d815df03bb909b1d742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.570646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039927/manifest.json
observed 99c0d92fcf512ba36d07cee7037eaa01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.543958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039927/publication.md
observed ab5196e14b3a940fb06e398b4b8425dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.516432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039927/publication.txt
observed 9252be6beda08307188cd3b22c661658...
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.