OpenTechnical

OT-2026-000067852

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000067852) never changes.

Identity and time

Publication numberOT-2026-000067852 · never reused
Internal UUID01a0ae8f-c4fb-77af-9df0-66add92c9420 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067852
StatusPUBLIC

Content hashes

Canonical text752bdb6576e3d73b519b0c738fa7755998c8b3b47e3c2d67287c11e24debd1a9
Markdowndb6e56cda43d2c688d5d1cfa6861ed96e9f12d78b76de959960de952778fc594
PDF
Publication pageea3c1d19f7865243a4c1b891bfc20606c3d67056272ca1008656c3ddc7ae4cf4
Manifest2dfd5ee78d9ee54da86914f2cb3397f3299703272fa9827b1a23e3620bd58de7

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
SignatureioONMIA1SGUWPfERuvkS4My38sd28L/4xE+KSBU+pSlgMidEP9a+yIwYrcS6+B/0m2ZQlCXSiUPqbhPOJ9liCg==
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

2026-09-17T10:30:06.862056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067852
observed ea3c1d19f7865243a4c1b891bfc20606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.844191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067852/manifest.json
observed 2dfd5ee78d9ee54da86914f2cb3397f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.824372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067852/publication.md
observed db6e56cda43d2c688d5d1cfa6861ed96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.801618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067852/publication.txt
observed 752bdb6576e3d73b519b0c738fa77559...
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.