OpenTechnical

OT-2026-000072986

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000072986) never changes.

Identity and time

Publication numberOT-2026-000072986 · never reused
Internal UUID01a0ae92-c815-783e-878a-914cc107876f · 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-2026-000072986
StatusPUBLIC

Content hashes

Canonical text41d29f0cd9334f54a438be3a96900483634f26ef0e2d2eed410706ceacd5eed0
Markdown8c12bfecae87e06739e7dbbe323a95862058609963d80290dcc77c6401b7b5e7
PDF
Publication pagefffba4628b5c0d5abf08150c2a9caf84e46e29e0374398981a709cd496c0abb8
Manifest44a3d9d5030438c9429d3f1b388e634f253e0ee756673ffc1b19b5ed1db4eae6

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
Signaturem0ZBOWe9fAHiwSNtBS2GieePB9GaUx9yw7xjxTH1GVd3RPEnh/IFNqQ3KVpXvibIJUsPUsU3rqLO2HtPN8BTBA==
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

2026-09-17T10:21:55.015707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072986
observed fffba4628b5c0d5abf08150c2a9caf84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.998201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072986/manifest.json
observed 44a3d9d5030438c9429d3f1b388e634f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.980313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072986/publication.md
observed 8c12bfecae87e06739e7dbbe323a9586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.963843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072986/publication.txt
observed 41d29f0cd9334f54a438be3a96900483...
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.