OpenTechnical

OT-2026-000013471

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000013471) never changes.

Identity and time

Publication numberOT-2026-000013471 · never reused
Internal UUID01a0ae6d-6fca-74cc-879b-ce33f4a5f601 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013471
StatusPUBLIC

Content hashes

Canonical texta1e1e7a1fd6f1fcc8ab65e823dae9939b70b1c601e441066756154d499053a27
Markdown60cd0d2414348a329478ca020e8bf73edba316e709d50c187a6c41325878979b
PDF
Publication pagefa52cf9a92df381fe5d8d26dac4c66733fe78c70e068740c7c162cf2f45647dc
Manifest1902b97c54ff8bd9359b992204f337051b123b0f5867ba564d08ec98732c96b2

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
Signaturex9+XCLcAHetvZVa52WVVs+ma9OJ9UkucMr9sEkWfRcUE49FbzxuvWZdmS2/r3Wpeo/qp/0SfNY0CHkmP1YETCA==
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

2026-09-17T12:09:58.241273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013471
observed fa52cf9a92df381fe5d8d26dac4c6673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.224486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013471/manifest.json
observed 1902b97c54ff8bd9359b992204f33705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.207174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013471/publication.md
observed 60cd0d2414348a329478ca020e8bf73e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.188610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013471/publication.txt
observed a1e1e7a1fd6f1fcc8ab65e823dae9939...
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.