OpenTechnical

OT-2026-000072538

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000072538) never changes.

Identity and time

Publication numberOT-2026-000072538 · never reused
Internal UUID01a0ae92-89d8-7219-9195-c0747f3daa20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072538
StatusPUBLIC

Content hashes

Canonical text0de85a48b1235f85c7c86b209c1a36490f737f888527b5981ea63e01b0baeee9
Markdown11dd1f252a9b65f81f7ae7f18743b3f0913b83032c5392cf1d272850518b6fe3
PDF
Publication pagefe10b10944ad9150e460ffec5561114b56f1d9700b834c7a65a72c4a20c7654d
Manifestbdbfffe19f75adb49eb838c0379f3c3f0a244ca9a9b946da02c1f74819509dd6

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
SignatureE0LXSKc1T2eGLbm1LqfGj7hE59XxnenUAkDZifUzE6FXdHlpCEKmFBSX7sBVuG5ToLRemQoh2IlQrOFEXOytAg==
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

2026-09-17T10:22:11.376652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072538
observed fe10b10944ad9150e460ffec5561114b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:11.357426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072538/manifest.json
observed bdbfffe19f75adb49eb838c0379f3c3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:11.338449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072538/publication.md
observed 11dd1f252a9b65f81f7ae7f18743b3f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:11.319654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072538/publication.txt
observed 0de85a48b1235f85c7c86b209c1a3649...
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.