OpenTechnical

OT-2026-000075364

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000075364) never changes.

Identity and time

Publication numberOT-2026-000075364 · never reused
Internal UUID01a0ae93-f201-7597-872b-e2a668aa4855 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075364
StatusPUBLIC

Content hashes

Canonical text939875d04fb9a7b4af55ff07feef17714eadf05a3971d231edb8ab024d0bc771
Markdowne6575b1f1437c0402090defeba11f860983de73e6786fd8e59c19714b5206b64
PDF
Publication page1b22bd368befea109879bfaf7c612d10c8709d8faf50dda30491f893c41f4177
Manifestd6b21f15ffdfa9e1682235eefb90a958452040396bb34cabe439f394ecfc9d73

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
SignatureTiMoa2CSVEi2MLmmQzkvKGytOKJxWwOdJqOQuT+O+U5/JhMOAAiAlKGY7uITbviVsDLAc5NixKlJ8DJtUq9mBg==
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

2026-09-17T10:17:21.465012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075364
observed 1b22bd368befea109879bfaf7c612d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:21.444594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075364/manifest.json
observed d6b21f15ffdfa9e1682235eefb90a958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:21.052808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075364/publication.md
observed e6575b1f1437c0402090defeba11f860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:21.033364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075364/publication.txt
observed 939875d04fb9a7b4af55ff07feef1771...
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.