OpenTechnical

OT-2026-000081600

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000081600) never changes.

Identity and time

Publication numberOT-2026-000081600 · never reused
Internal UUID01a0ae97-0f72-7990-8e9d-79ccd810e4cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081600
StatusPUBLIC

Content hashes

Canonical text53d438686bf6727a6956f6286c2167099a8a5dcbac6984b89ab356135b4b55b5
Markdown2ac4868ad0b7a469c1b00155945036803d999fa7e0021c4800d593b089eeb778
PDF
Publication pagec3adae8e4f9a984e049a99718f1cd6c7264523e2d3de467a480c2bc168dc8fcf
Manifestb4453417675b12747bb7617a5d93ec1a4686079230b553c33c5af178ed15ba70

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
SignatureIXrKFoNTkuI87qC16Ta/DnEWbZXwl9kETAOpRc/kHUpaWTdBW1l4r4QiherYy9MnBycLYyyWbqrcDXKZ/TduBg==
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

2026-09-17T09:59:38.262397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081600
observed c3adae8e4f9a984e049a99718f1cd6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.246268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081600/manifest.json
observed b4453417675b12747bb7617a5d93ec1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.231361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081600/publication.md
observed 2ac4868ad0b7a469c1b0015594503680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.214463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081600/publication.txt
observed 53d438686bf6727a6956f6286c216709...
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.