OpenTechnical

OT-2026-000053307

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000053307) never changes.

Identity and time

Publication numberOT-2026-000053307 · never reused
Internal UUID01a0ae85-0a15-7cc1-8194-415fe8c0dace · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053307
StatusPUBLIC

Content hashes

Canonical text3dd0d82c858de93a6bbf24329eb1e94cefeb4ef5877a12e5dab849eefb35b766
Markdown0a1a864b9e74292487570a795c772a5a569bdd4242ee3803a194d68c41dc84a9
PDF
Publication pageb5938d6d3c372cb73c0c83df018b545036f3c0dd09db2bb5c132be98ef870b83
Manifest6bf0ce9271a8dbfdd887de4e70cd35884d9a2e6c9fdb2c9011efd6b339f02b04

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
Signaturemh9GDSPuRvExf1DUtHzROxvY4ZXeiYEygwxdNY2WB88V8eMytFGc1ALq8Aas6q5m2fZvjuUNAz2jsnOsxYUOBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:59.889186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053307
observed b5938d6d3c372cb73c0c83df018b5450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.871871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053307/manifest.json
observed 6bf0ce9271a8dbfdd887de4e70cd3588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.855125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053307/publication.md
observed 0a1a864b9e74292487570a795c772a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.834983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053307/publication.txt
observed 3dd0d82c858de93a6bbf24329eb1e94c...
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.