OpenTechnical

OT-2026-000069721

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000069721) never changes.

Identity and time

Publication numberOT-2026-000069721 · never reused
Internal UUID01a0ae91-185e-750d-ab6c-b8cc8367fc0f · 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-2026-000069721
StatusPUBLIC

Content hashes

Canonical textc3c777e53e4ef00ad2bcff3fbb00ee239ecd1b2cc31cf6880067e2863b959aa2
Markdown89f82320fa724f3361f78ab911a29a5237e1a6f0d417315bd3a7a9c461119b00
PDF
Publication page5f45d5099813430b8ff8d53b403ccdcf59e7324add10e4e7d60bf8faae70030b
Manifest90fcd24cde150b368f26cd89aa0f1c2c0a2629cc88dd9ad5237a7aea755cf2f8

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
SignatureWADEXbTOANxEgqgXZzKMRXmKdEaEjfILZgP46V4IHap8AkuMQX6iHRKBbEW/snMv4U0TO+M1707d6wY98X6RCw==
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

2026-09-17T10:26:31.765170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069721
observed 5f45d5099813430b8ff8d53b403ccdcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.748708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069721/manifest.json
observed 90fcd24cde150b368f26cd89aa0f1c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.732732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069721/publication.md
observed 89f82320fa724f3361f78ab911a29a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.714811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069721/publication.txt
observed c3c777e53e4ef00ad2bcff3fbb00ee23...
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.