OpenTechnical

OT-2026-000072910

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000072910) never changes.

Identity and time

Publication numberOT-2026-000072910 · never reused
Internal UUID01a0ae92-c814-7b24-a788-cddd63e93f0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072910
StatusPUBLIC

Content hashes

Canonical textbcd62a410c0e5210732388e30968bf2cbcd3d543d5cd3417387f68aefd28670f
Markdown8fa9443d30fa4fae1daf5ffd5662f4bc2d4c57c6f59a1b0d942c14b30172c92a
PDF
Publication pagea50c8d49161a5b5f309d5fbb12e50bc66633c7077afd2e43e093a1722ca2702a
Manifestd219c47a365242126058458134b3989eb2f3205d86d013917d09f873dd9265cd

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
Signature8Wof8OTcIcysUixzFszMy2oEmEklfwFjJLG6ypleaBN04+NbKJaQlZP5RwPatgQ+o1S7qK/fjt/267DoMX/oDA==
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

2026-09-17T10:21:49.249928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072910
observed a50c8d49161a5b5f309d5fbb12e50bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.230743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072910/manifest.json
observed d219c47a365242126058458134b3989e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.211891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072910/publication.md
observed 8fa9443d30fa4fae1daf5ffd5662f4bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.193298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072910/publication.txt
observed bcd62a410c0e5210732388e30968bf2c...
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.