OpenTechnical

OT-2026-000062953

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000062953) never changes.

Identity and time

Publication numberOT-2026-000062953 · never reused
Internal UUID01a0ae8c-94a8-74cf-9f25-40cd97d7b1b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062953
StatusPUBLIC

Content hashes

Canonical text9fff04a349b5fa8e9ad7185a9f495b6a6775b04a8d1f0b72fc0827867e2572fa
Markdownd9f2d36462b05183ed41039454515dab2e612dd0f42883e80fd42e1ef53c1949
PDF
Publication page5ec6f7209f623d308a3d9dc17e967dfa0a0b24c9be95d8c635c3e539f44965a0
Manifestfe725faf96197257e17c2468d53df4cf875cb25037c92fa0bede86d7eae2507a

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
SignaturepgSx2jLYxrbk8f7VfyGK+P7muNj465Lgh3qNz7KSstKX0CaCBKpKChvBtUrDayriYjCUYUK+E1VlognIFtstAg==
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

2026-09-17T10:40:27.553979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062953
observed 5ec6f7209f623d308a3d9dc17e967dfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:27.532490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062953/manifest.json
observed fe725faf96197257e17c2468d53df4cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:27.506778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062953/publication.md
observed d9f2d36462b05183ed41039454515dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:27.487104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062953/publication.txt
observed 9fff04a349b5fa8e9ad7185a9f495b6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:40.871231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062953
observed 5ec6f7209f623d308a3d9dc17e967dfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:40.853987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062953/manifest.json
observed fe725faf96197257e17c2468d53df4cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:40.837538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062953/publication.md
observed d9f2d36462b05183ed41039454515dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:40.820005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062953/publication.txt
observed 9fff04a349b5fa8e9ad7185a9f495b6a...
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.