OpenTechnical

OT-2026-000074566

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000074566) never changes.

Identity and time

Publication numberOT-2026-000074566 · never reused
Internal UUID01a0ae93-717b-797e-b342-0d31431ff3eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074566
StatusPUBLIC

Content hashes

Canonical textd8db4e07d9e6b972c646dfc514ac800add6682acf1911a63d07de8595ae33b95
Markdownb83a2946ee1225892c46c11f250addb1842be7cdf7ea47066e9db9238e882593
PDF
Publication page88f2e67f8478dcab37bfd62e932f7e5bedfa5cb2316fddba05fabbdf192c31fb
Manifestdd00bc4cce16b040c78c78469b6736e33af7726e88e3ce9ec84dae29bc1ee158

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
SignatureRoO5wY09S+I2wUjaN9mh+qbhWs2c3O7zAHH1C3A2Ck4Lr1ZXo8RCW4odM0MJIO3CD6gGjVqzKECUFzztK3xiDQ==
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

2026-09-17T10:19:34.924653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074566
observed 88f2e67f8478dcab37bfd62e932f7e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.905804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074566/manifest.json
observed dd00bc4cce16b040c78c78469b6736e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.886632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074566/publication.md
observed b83a2946ee1225892c46c11f250addb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.866011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074566/publication.txt
observed d8db4e07d9e6b972c646dfc514ac800a...
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.