OpenTechnical

OT-2026-000038995

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000038995) never changes.

Identity and time

Publication numberOT-2026-000038995 · never reused
Internal UUID01a0ae78-76a0-74e8-a347-eb285fccde56 · 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-2026-000038995
StatusPUBLIC

Content hashes

Canonical textb8655f2a1d5c0204f7f771f53f959c04385d1e48e61a7bb54fb4732d51872d2a
Markdowna894fc0c37a14e6f389287fb17fa96b90dc39d5a0aa8cf61dea0475dd0d3197f
PDF
Publication paged8cc8352bb67887df4cdd2a3adb8212459755e9e754411fc51a24a4c976b6756
Manifest2494711008ba3e6d791adc6ec027feb4bb9772f64ba7012362bd1f14c8796356

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
Signature7UXlD7lAYMvlDeZZKryO6cdxPWu2dGkNbqv0VK/AHJRN/uCz5cJ++dlNF5ZizoMuIa70eZYAFe7U+tJB9iufAA==
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

2026-09-17T11:22:16.672829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038995
observed d8cc8352bb67887df4cdd2a3adb82124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:16.656371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038995/manifest.json
observed 2494711008ba3e6d791adc6ec027feb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:16.638834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038995/publication.md
observed a894fc0c37a14e6f389287fb17fa96b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:16.620430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038995/publication.txt
observed b8655f2a1d5c0204f7f771f53f959c04...
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.