OpenTechnical

OT-2026-000073443

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line 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-2026-000073443) never changes.

Identity and time

Publication numberOT-2026-000073443 · never reused
Internal UUID01a0ae92-efb8-7f91-861a-3dfe48a9eeb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073443
StatusPUBLIC

Content hashes

Canonical text9090cc848dc1882555c03a87bc6de682ba467d60555d66c8ce1ee1b7f559962c
Markdown51f2e9af21e673ee7070f0792564ecf89914adb2264590d4af2ae6df475849b5
PDF
Publication page86d0ffaeb1de850f440c89767a25e4621aeaff2fe11d069e9a8f18c5c9ed3823
Manifest9478ed11b66a0e1bd383b2d32266ce997f807dfa5e737c285b2743dde681891a

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
SignatureKf6bUi6oSvd+413cdkF8XPwG3jmSDEQXEjVekjl3ttjx1IzW400rtV5T5NzMkS/QMjcmOmQEzn1mrmyTAzqsDg==
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

2026-09-17T10:21:36.195724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073443
observed 86d0ffaeb1de850f440c89767a25e462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.175980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073443/manifest.json
observed 9478ed11b66a0e1bd383b2d32266ce99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.156176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073443/publication.md
observed 51f2e9af21e673ee7070f0792564ecf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.136378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073443/publication.txt
observed 9090cc848dc1882555c03a87bc6de682...
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.