OpenTechnical

OT-2026-000097452

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000097452) never changes.

Identity and time

Publication numberOT-2026-000097452 · never reused
Internal UUID01a0aea1-55b3-7e78-a8a8-88a2e3761f2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097452
StatusPUBLIC

Content hashes

Canonical textcac363ab4a0a27f870a97289b34f00af197a75117b5722f7c92977bb4b4245af
Markdown02560b3d8d94f328b9c69da36f000f6dc69d512a53744cc8c6f13202f36850ef
PDF
Publication page67dc2975e6f1b89d268b84d851c3c24bf53a5d8e056d3eed85f63d17bfddf28e
Manifest682976f363a5687150d383a1bfce5f950a992925e7d79707813601d169d05423

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
Signature9DWGGdLU60LkQLO4+Riy08xp9PW9QXLudLGWj7SVPF9ZyWBOLNP0gZyJLOvElh1S5WN9ST8GGrxshbIf6Ik1CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:18.896194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097452
observed 67dc2975e6f1b89d268b84d851c3c24b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.875229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097452/manifest.json
observed 682976f363a5687150d383a1bfce5f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.857196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097452/publication.md
observed 02560b3d8d94f328b9c69da36f000f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.837454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097452/publication.txt
observed cac363ab4a0a27f870a97289b34f00af...
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.