OpenTechnical

OT-2026-000063958

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000063958) never changes.

Identity and time

Publication numberOT-2026-000063958 · never reused
Internal UUID01a0ae8d-53bc-77d1-a054-fae704e241ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063958
StatusPUBLIC

Content hashes

Canonical text1b7d6c8565a61291ee3ea785ad9af33b744dc30c29903e29f5bba7f90a46a721
Markdownc9b5029c5e4035b48855d0be59ee63545c23dcb2b23e4a43a61251440e3052ef
PDF
Publication page4b4f1cfb02eb59a528fe6cbfb964d291e0069537a1a267a6c26a24b30962085b
Manifestf6949fd04ab4296259294540c6518d1bae43b2056b3415e0b04fcd1da25f80a5

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
SignatureAGz4WwAzJKr01ZrIMJt5mHjQk3McRrASdEf+x0dnT09J5QW/Xn2NDm7eIlKasRyWDAm7GVRN4YT/k7C42a0RCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:01.257888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063958
observed 4b4f1cfb02eb59a528fe6cbfb964d291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.237145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063958/manifest.json
observed f6949fd04ab4296259294540c6518d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.218424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063958/publication.md
observed c9b5029c5e4035b48855d0be59ee6354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.199909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063958/publication.txt
observed 1b7d6c8565a61291ee3ea785ad9af33b...
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.