OpenTechnical

OT-2026-000038730

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038730) never changes.

Identity and time

Publication numberOT-2026-000038730 · never reused
Internal UUID01a0ae78-769e-77d7-aba3-7cefd2949ecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038730
StatusPUBLIC

Content hashes

Canonical textf930e6a2cf39c016638ad9f06e7c1be0c106ff60c5f89f75442620ec0ad6f391
Markdownc0e3f2912a4107408284192cc66a56791a8c2029eac91e5c06f8ae67b8546436
PDF
Publication page28767745bc23b6ef99d976a0dd08bce10c84ced3d47eb757a8bf9adfbe60392d
Manifestd3295f097b62cd052cf61a762f4682a9875bccc1519568fca3db2d1698085fbc

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
SignatureKNNvng2oskZmDXthP/41odleo29FZGSiKfaNRwaXZ6EGKT0fAOnNg/Hs/2Y+qfAooW+6sYEIjaV/JX9LjPKpBw==
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

2026-09-17T11:21:15.548826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038730
observed 28767745bc23b6ef99d976a0dd08bce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.531233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038730/manifest.json
observed d3295f097b62cd052cf61a762f4682a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.514035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038730/publication.md
observed c0e3f2912a4107408284192cc66a5679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.495422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038730/publication.txt
observed f930e6a2cf39c016638ad9f06e7c1be0...
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.