OpenTechnical

OT-2026-000074910

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000074910) never changes.

Identity and time

Publication numberOT-2026-000074910 · never reused
Internal UUID01a0ae93-ac2d-77bf-8f25-c996f8c166f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074910
StatusPUBLIC

Content hashes

Canonical texta279eb4d94b6254351e7340c39ade1e5478d64bdef4d6e614d44c5252a75b5f6
Markdown2329df513d87793d86fdff6de8d364a5f983270f579a9af3185b6eb4019f8acf
PDF
Publication pageb7905d0adcaf420c467850fea1c6e84a98a77664d9081d56877166db17abc719
Manifest31e6de320aefcef1f045c45b8ae821ba533e14db2815dc3b40c8551ac1e81d81

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
SignatureJ6CSnOlRcLLaPzrhitdVsgUzCPfl9chBaf46s13vYff7TJVvVSdhOgFQIRwnqdzvUf6f5fSixUfiuBmGTOWzBw==
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

2026-09-17T10:18:38.060110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074910
observed b7905d0adcaf420c467850fea1c6e84a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.042678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074910/manifest.json
observed 31e6de320aefcef1f045c45b8ae821ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.023654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074910/publication.md
observed 2329df513d87793d86fdff6de8d364a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.003737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074910/publication.txt
observed a279eb4d94b6254351e7340c39ade1e5...
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.