OpenTechnical

OT-2026-000075631

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, 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-2026-000075631) never changes.

Identity and time

Publication numberOT-2026-000075631 · never reused
Internal UUID01a0ae94-29fd-7c2b-bad4-36b420d82d33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075631
StatusPUBLIC

Content hashes

Canonical text0d998c610e35f01b0a602667bbebd64dcd1080724de2ed2e37ed6e60a8071d0a
Markdowne8cbb99c00066843815bcd7744eaedecd1846894ee5b844b35ab7982b1de871e
PDF
Publication pagef67f8937150946903b82093661c94c5888e9263f4df1c77b7c3455a02c0e49cd
Manifesteb11970445d07cfc9d7661e6c99841a8e5de2d6d0d98cb3b545d366d3f332e98

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
Signaturek23xu9IQp9xPcEJxCTF+jONbbiDvxJHzUQtpWDu9a+C+fFqLq0DLdBcjw5OGcYYsg1YNtgr/oW7lvfLKa6MlCw==
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

2026-09-17T10:13:22.762026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075631
observed f67f8937150946903b82093661c94c58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:22.743176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075631/manifest.json
observed eb11970445d07cfc9d7661e6c99841a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:22.725513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075631/publication.md
observed e8cbb99c00066843815bcd7744eaedec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:22.705094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075631/publication.txt
observed 0d998c610e35f01b0a602667bbebd64d...
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.