OpenTechnical

OT-2026-000080212

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000080212) never changes.

Identity and time

Publication numberOT-2026-000080212 · never reused
Internal UUID01a0ae96-7e76-7239-9f87-7949c5a51245 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080212
StatusPUBLIC

Content hashes

Canonical text37ec443f908902d65f4e891d62254c8981a3026ac2ec2f01266f8f8e9a73497c
Markdowncc88f473c6ff160fbc91b429456750f86149f8cfd3e582df0a9435d638b4361b
PDF
Publication page5d0104752b709ea2e5c41522a0cb2416f4f6daef3d86d52d02d8d05e5729294f
Manifestacd5aaaafbb5f10942fffd54b74c59882d1d05c0cd56aa23e4067a08f594720f

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
SignaturerPxsUQgxC2BUW23Bdy6tFKxRu8HR9oRaqyTJv+hIHERgQXJiBQyFuoQhNPJUG5tAUjdcPri9d4QJ0Tig2JW8DA==
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

2026-09-17T10:02:39.722979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080212
observed 5d0104752b709ea2e5c41522a0cb2416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.704855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080212/manifest.json
observed acd5aaaafbb5f10942fffd54b74c5988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.687385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080212/publication.md
observed cc88f473c6ff160fbc91b429456750f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.667343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080212/publication.txt
observed 37ec443f908902d65f4e891d62254c89...
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.