OpenTechnical

OT-2026-000074147

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000074147) never changes.

Identity and time

Publication numberOT-2026-000074147 · never reused
Internal UUID01a0ae93-7177-7c17-982c-87d4d61d38da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074147
StatusPUBLIC

Content hashes

Canonical text27c778015320b684ab2dec8946908417769300c046ba6196e7ef41e2209b61f1
Markdownb93059f33caf3eb5563ab9e3525ba98ef7037c1087612a4d19f0d2d5261536e0
PDF
Publication pagee5276c966b4872590454ed254a5c129c8fe8e8b91cda08f69dacdb7462ed87a0
Manifestdac4c669516c5dcce1c0b5f941836afa445f6feb7d9026e09f472d99b4579d19

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
Signatureb96QHufBCMSGquKkUPj4iLDwuHhmWNl2o2PymQet2qyagpJuGcp8ON7X+NcfX+rAbyY2YXeAm5Ys3e3Iyda0AA==
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

2026-09-17T10:18:59.626625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074147
observed e5276c966b4872590454ed254a5c129c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.609858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074147/manifest.json
observed dac4c669516c5dcce1c0b5f941836afa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.591849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074147/publication.md
observed b93059f33caf3eb5563ab9e3525ba98e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.574624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074147/publication.txt
observed 27c778015320b684ab2dec8946908417...
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.