OpenTechnical

OT-2026-000065540

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000065540) never changes.

Identity and time

Publication numberOT-2026-000065540 · never reused
Internal UUID01a0ae8e-46f9-71b9-babe-7c6daa8021ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065540
StatusPUBLIC

Content hashes

Canonical text71b0119ce9cb7e27c83a63c4e0ca41b53c48b99b6aa6bd36275cf8239c5b9df0
Markdowna783cdd962d2c987655ef1a7ce9eb8ddf848c2104dedf338fb78e2b14550420e
PDF
Publication page6f1db759afc709d4146be64fc05a61182bb71f90ab481fdf8cfa15c68f493cd4
Manifestd5bfae046811468756e0fe959a505649f6d7a390bd4737f5ac1e6ed6702bff66

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
SignatureYHG6VG411KHDQVZgdW+QZ6m5TgsdYEOt3QeZx81iXKd6eLETc9JsRyIlAkBrcLOseGGen1LET1gDjfXJtyOgAA==
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

2026-09-17T10:33:50.525570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065540
observed 6f1db759afc709d4146be64fc05a6118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:50.507723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065540/manifest.json
observed d5bfae046811468756e0fe959a505649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:50.490044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065540/publication.md
observed a783cdd962d2c987655ef1a7ce9eb8dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:50.471923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065540/publication.txt
observed 71b0119ce9cb7e27c83a63c4e0ca41b5...
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.