OpenTechnical

OT-2026-000069462

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000069462) never changes.

Identity and time

Publication numberOT-2026-000069462 · never reused
Internal UUID01a0ae90-b52a-7f12-9b38-3248a86102b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069462
StatusPUBLIC

Content hashes

Canonical texteaca8dd55802ad75decda35096c8a75760b56dcdd23dc0a9c74d52284d6fbe19
Markdownbcf6b0c8840ba061eecd9c482ea7fcd2e0ea73353242b3daab04e416d10c9c7c
PDF
Publication pageb1550e4433db079a5a8c6c53b760e1ecf501e250d494e6967c8748fb4fdd7aa1
Manifest3f127ee8b89f70725bfebe8e1e9e127df460ad6e19a326a1a8562ced0daa39fb

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
SignatureqYCsHOAZ6p5EmernnVhDqzOAqR5mK6C0z6mvTyjmdNUvR5+iKKNwihH4f+t92AStz+j3Bg5Nk0ZgQmtTzURKBQ==
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

2026-09-17T10:30:32.219674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069462
observed b1550e4433db079a5a8c6c53b760e1ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.203330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069462/manifest.json
observed 3f127ee8b89f70725bfebe8e1e9e127d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.186326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069462/publication.md
observed bcf6b0c8840ba061eecd9c482ea7fcd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.167732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069462/publication.txt
observed eaca8dd55802ad75decda35096c8a757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.995396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069462
observed b1550e4433db079a5a8c6c53b760e1ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.977525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069462/manifest.json
observed 3f127ee8b89f70725bfebe8e1e9e127d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.960210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069462/publication.md
observed bcf6b0c8840ba061eecd9c482ea7fcd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.939836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069462/publication.txt
observed eaca8dd55802ad75decda35096c8a757...
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.