OpenTechnical

OT-2026-000069925

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000069925) never changes.

Identity and time

Publication numberOT-2026-000069925 · never reused
Internal UUID01a0ae91-1860-7290-be45-9630ccf26743 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069925
StatusPUBLIC

Content hashes

Canonical textca3c18cc8a7d0b26645274a7c135ae8306d3ea00147168a0800fa4de02cd0c62
Markdown592a42d7a48a70ee02322a2606fa3a028a5ea694815a48d3008e9f5d2e88c5a2
PDF
Publication page7562e787968b003ea985cee7552116bcb8fe581cc60ad758c4d05e73c1ac6d4a
Manifest06b78f76fc490ca8a8825a861b47859072613ed3d80140d7ebeb8c6d91980e0b

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
Signature75PC3zjY4ulXE2P6yuykR5VcjG9Spnw6LVXaWl7ktja1nqMm3MEa7rvTp4xMbvHg2SxukN588fWRDHjmV1ckDw==
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

2026-09-17T10:26:51.799311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069925
observed 7562e787968b003ea985cee7552116bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.781422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069925/manifest.json
observed 06b78f76fc490ca8a8825a861b478590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.763776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069925/publication.md
observed 592a42d7a48a70ee02322a2606fa3a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.746957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069925/publication.txt
observed ca3c18cc8a7d0b26645274a7c135ae83...
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.