OpenTechnical

OT-2026-000079476

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000079476) never changes.

Identity and time

Publication numberOT-2026-000079476 · never reused
Internal UUID01a0ae96-0b91-760a-90d8-09c2b1c8645e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079476
StatusPUBLIC

Content hashes

Canonical text8fce49b6077cb0d233de58fb3e23def9ed62495912b9ef3c8f5620c791e4add5
Markdown95b9f3c68ca48155e275905d44cb4fde8376e1da040121c1f44f9d4dd042745c
PDF
Publication page0bb979cc7c631f89a59f619e39bdd4e2286341bfb16561553bd46925af01dd0d
Manifest936d17a07a916870eb72ef7514f4da95bdf4d40a195e5ae390e790dda7844d87

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
Signature/Vw3YJ4S8F1ZGphdDkszse/1oIKRzp4kNqJ/R8X345yofR/DXwxtxQszWIODc/HDs3UOuPfgGGXsjEDDV4lwBA==
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

2026-09-17T10:05:05.964962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079476
observed 0bb979cc7c631f89a59f619e39bdd4e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.946965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079476/manifest.json
observed 936d17a07a916870eb72ef7514f4da95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.928777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079476/publication.md
observed 95b9f3c68ca48155e275905d44cb4fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.910028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079476/publication.txt
observed 8fce49b6077cb0d233de58fb3e23def9...
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.