OpenTechnical

OT-2026-000045319

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000045319) never changes.

Identity and time

Publication numberOT-2026-000045319 · never reused
Internal UUID01a0ae7c-f76b-7bd4-9d62-5c9eabce2117 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045319
StatusPUBLIC

Content hashes

Canonical text6dec9dc66bf6608d6842137500cb46646d5aa0b3bb3c708660c166bc6a908cde
Markdown6b959a241dbd678d1a6b7b123e07592877ab6542010661624160ab4a6543e923
PDF
Publication page5bdca67c29a9ec4925c9cc2955704d17adbc88fab7018e3ec5917e36b7f0384b
Manifeste764af991a18953d67f758cd113fe3d85483a011a2de399cae1cd33cf3f55750

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
SignaturePAfUWK4x1TG04hHPjjdDr7HOJzVn201MnaMD/TvQQsrAq5Vuv5kDOskkhzVGZXeonNsACcS5ezpkaEVVvdkMBg==
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

2026-09-17T11:10:34.280160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045319
observed 5bdca67c29a9ec4925c9cc2955704d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.262572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045319/manifest.json
observed e764af991a18953d67f758cd113fe3d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.239616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045319/publication.md
observed 6b959a241dbd678d1a6b7b123e075928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.220032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045319/publication.txt
observed 6dec9dc66bf6608d6842137500cb4664...
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.