OpenTechnical

OT-2026-000020383

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000020383) never changes.

Identity and time

Publication numberOT-2026-000020383 · never reused
Internal UUID01a0ae6f-437b-7368-8b2e-f9972e43d65a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020383
StatusPUBLIC

Content hashes

Canonical text383fd2c37b7cb0169f5f1373245b545e426cb43b0daf6043e66c75246002fcf2
Markdown12d7d6d7e6fd2392c68179e28d184140c5217ee05b6c3bb5da8c10b58e9842d9
PDF
Publication page95f3de3d7a25e63ccc934e5aea1f0549a0415352ca33cc35c8f69a5a9954fb3a
Manifest625b9410c2dddc9c43d826703162730aae6ed3572f6ae694582d86e5610789a5

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
SignatureWjEG5moKVX1Da2pasqOX+AA/vXV3A1jN4leU0EgLCKS+oSGcUdJwk1BWp+rUaBPd2ckK7qkwGqf6E/sNt/pbDw==
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

2026-09-17T12:00:16.162112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020383
observed 95f3de3d7a25e63ccc934e5aea1f0549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:16.144426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020383/manifest.json
observed 625b9410c2dddc9c43d826703162730a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:16.123957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020383/publication.md
observed 12d7d6d7e6fd2392c68179e28d184140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:16.106107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020383/publication.txt
observed 383fd2c37b7cb0169f5f1373245b545e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:21.173981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020383
observed 95f3de3d7a25e63ccc934e5aea1f0549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:21.153372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020383/manifest.json
observed 625b9410c2dddc9c43d826703162730a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:21.134465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020383/publication.md
observed 12d7d6d7e6fd2392c68179e28d184140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:21.114189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020383/publication.txt
observed 383fd2c37b7cb0169f5f1373245b545e...
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.