OpenTechnical

OT-2026-000012251

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000012251) never changes.

Identity and time

Publication numberOT-2026-000012251 · never reused
Internal UUID01a0ae6d-39f5-7590-8263-75132e78ac34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012251
StatusPUBLIC

Content hashes

Canonical text17580442c7fd5126d3ec720788f1b2afb078db927afdfe3c2135d1fb16824b7d
Markdowne899a52471d7692298d23c20d8cd6214e4fbd618f30a43efcde7407e1d8e038d
PDF
Publication page27dc17dfa716a2c31fc9863f6f0d4dd449c024d7f269380de9f1df270974344f
Manifest405c80f7526beaff59c9605bea59a9192e1b9b7322babeda7d81c4bf0de2d908

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
SignatureSY01iYYP8+FLipcDJoew670Wv6cfWtfCKwnDzosV201vsVzqU9HId1r65g0lcNhbyZ3HaW/39xqwOiLF4DVuCA==
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

2026-09-17T12:11:10.879771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012251
observed 27dc17dfa716a2c31fc9863f6f0d4dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.861896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012251/manifest.json
observed 405c80f7526beaff59c9605bea59a919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.844031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012251/publication.md
observed e899a52471d7692298d23c20d8cd6214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.824514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012251/publication.txt
observed 17580442c7fd5126d3ec720788f1b2af...
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.