OpenTechnical

OT-2026-000097770

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000097770) never changes.

Identity and time

Publication numberOT-2026-000097770 · never reused
Internal UUID01a0aea1-92f5-74a4-8092-4e0ecf4d54d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097770
StatusPUBLIC

Content hashes

Canonical textb3f7396722ef583d7c9b418cbc37c1099c772e1b12b22f742f24e5fda2b6602c
Markdownd572d5d5f7ca67b6d057fd6791a4cfff284c47d3e5e03870bcbcc7dd5b35009d
PDF
Publication page8977c272f8eba6a1ca605c94caef68440d93c6f518043d7a618465f4170e4845
Manifesta787f3d6b79bc7b09bf54c8524f1186aceadff5d0b51df1e22b16558855665a9

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
SignaturenXIgXClC/ALfqw0xaxGqsRRBYUM9FTMGUfeTnqt2RyDyqhNRvIOF163/mnhDOJ+w+SJDUYbmVb7XtDrmBiDhBA==
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

2026-09-17T09:32:50.790078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097770
observed 8977c272f8eba6a1ca605c94caef6844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:50.773283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097770/manifest.json
observed a787f3d6b79bc7b09bf54c8524f1186a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:50.749959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097770/publication.md
observed d572d5d5f7ca67b6d057fd6791a4cfff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:50.733321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097770/publication.txt
observed b3f7396722ef583d7c9b418cbc37c109...
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.