OpenTechnical

OT-2026-000046091

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000046091) never changes.

Identity and time

Publication numberOT-2026-000046091 · never reused
Internal UUID01a0ae7e-032b-71d7-959b-718bf5d072e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046091
StatusPUBLIC

Content hashes

Canonical textb15139b3c8d9c536a5c97f68fa1544fbcbddc46ed8189be0d81158ffbd32edd4
Markdown0814bbe02c47194c82c3e0f0f5e1ca5cc66145581d6e54b964ec98c4ed993b3d
PDF
Publication page74fca2bdf4dae001775ebda9396da76bc5ab2a52fa4e2c5f68a26be2a1ad748d
Manifestc7cbd41a409eae8159488b3fc6ceb5a6cdbcee7231d2f98e3ff3e8c5dd08a75a

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
SignatureI6Di8ZZ9LoCC6S9M1zg5Pb5DTLUTvyWxs07b3fX9EBuX+n8+yCyIoOU/4oVE/MoGc1o/Gtzva94TJEuzAjyUAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:09:03.805638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046091
observed 74fca2bdf4dae001775ebda9396da76b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:03.786858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046091/manifest.json
observed c7cbd41a409eae8159488b3fc6ceb5a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:03.766818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046091/publication.md
observed 0814bbe02c47194c82c3e0f0f5e1ca5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:03.748090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046091/publication.txt
observed b15139b3c8d9c536a5c97f68fa1544fb...
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.