OpenTechnical

OT-2026-000068351

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000068351) never changes.

Identity and time

Publication numberOT-2026-000068351 · never reused
Internal UUID01a0ae90-2480-766e-ba19-c271daa38c64 · 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-2026-000068351
StatusPUBLIC

Content hashes

Canonical text69552e53e7cfe4432e895d4ccea1e93b9dacc6ddbb2e4014de3b383de224b86c
Markdownc7772cc77a615fc0388fe403f5c6eef7b0c1f73c44a452dc05a1ef1c07beeb37
PDF
Publication pagec798768b14f6e5cd3d407046b19c19447afa5e7aa276cfac22d6a5d7a08b0832
Manifest4317ff52875ec1a0b9e163800e07bc769f3671b63197fc2fbaca4a09ad71a843

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
Signature/QpjdcNlgFVl466u44laIFX+Qu07FlcYingCOv2HIhBcoe4zFREGbUZNP7MRA/EfVFn+gc5wzPzI4ndyfa6EBg==
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

2026-09-17T10:29:23.841452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068351
observed c798768b14f6e5cd3d407046b19c1944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:23.820981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068351/manifest.json
observed 4317ff52875ec1a0b9e163800e07bc76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:23.800133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068351/publication.md
observed c7772cc77a615fc0388fe403f5c6eef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:23.781971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068351/publication.txt
observed 69552e53e7cfe4432e895d4ccea1e93b...
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.