OpenTechnical

OT-2026-000068514

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000068514) never changes.

Identity and time

Publication numberOT-2026-000068514 · never reused
Internal UUID01a0ae90-2482-7f66-b059-741df424635c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068514
StatusPUBLIC

Content hashes

Canonical texta5f717323f3a40e00249ddcd9e10636b7aaee2ebb0e4bf01b5e28a7c49eabf91
Markdown55bb0ad4b54105528914d9b86e0180082ac76d38adc086daee63c42fa716499c
PDF
Publication page78fcebf6c2486452c22dc80d21966dd910e8ee1e1de220418f638c37c60228bf
Manifest9b582fd669fe035025656c877332df76d4416d5d033aca05878101dd495e2375

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
Signature4euG8dqcq166cnXjyCjZwE0i2jtoWZ2jGwI3tNFM4Svfr82SGMjELIaoOOFXp/pgSH6EBFT4Kt6NNVO+xe83Dg==
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

2026-09-17T10:29:40.411756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068514
observed 78fcebf6c2486452c22dc80d21966dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.395600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068514/manifest.json
observed 9b582fd669fe035025656c877332df76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.378692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068514/publication.md
observed 55bb0ad4b54105528914d9b86e018008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.361755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068514/publication.txt
observed a5f717323f3a40e00249ddcd9e10636b...
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.