OpenTechnical

OT-2026-000076222

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000076222) never changes.

Identity and time

Publication numberOT-2026-000076222 · never reused
Internal UUID01a0ae94-6a6f-78a5-a575-8a9611e4b907 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076222
StatusPUBLIC

Content hashes

Canonical texta81aa8a7ac8d718d1047e62a0a5bcf9530ff7f7a2f61804584574d935acdf958
Markdown15906a1881f31d55ccb80283d3cb4858ee4418585f7963245fd43b7ff0c77c70
PDF
Publication page408d8d134ce84541d58c73e8b206ce16284a4bb0ea39a4508fc40e6cc9015950
Manifest4b232f67ea32afc361799ff70518d09c10e26e5078133c42a5c6bf5d41b59b70

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
SignaturecjivD8AxI3U6rezWapkpoi83o1M/zvMH+GKaC9MHR9RIlmYWlKXhNBlpd+NbXyZgU6Rwt9/KHP37POY0ZyXIBQ==
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

2026-09-17T10:11:37.749908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076222
observed 408d8d134ce84541d58c73e8b206ce16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:37.731383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076222/manifest.json
observed 4b232f67ea32afc361799ff70518d09c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:37.711255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076222/publication.md
observed 15906a1881f31d55ccb80283d3cb4858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:37.450548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076222/publication.txt
observed a81aa8a7ac8d718d1047e62a0a5bcf95...
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.