OpenTechnical

OT-2026-000031323

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000031323) never changes.

Identity and time

Publication numberOT-2026-000031323 · never reused
Internal UUID01a0ae74-87ac-7e5e-bc38-2ff35c207203 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031323
StatusPUBLIC

Content hashes

Canonical textdb9491990b21693ddd2bc9f309fa7a981267e033259e35f4e7cd613cb285627c
Markdown0897a7784c1a711cc2fdaf15544bb8a5d8fba1257cb6c6db6410b336b1d2c66e
PDF
Publication pagecf33911c36f42d0039929f4f4d517032bb9c249b501ed9a44e19537eee16d4fd
Manifest9e5cd980072b6b99a4bdf516a8e5d8379b43be90bc6fc840fc774a12f94c825a

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
SignatureeN7+YzpszJp8wZnWkQYV3S2YMiUuAJoutH9qRORLzYew4vi+Kd5H30hedS6aNJeW4x8BjOMSbYtXTGH7wCF6Aw==
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

2026-09-17T11:36:00.830516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031323
observed cf33911c36f42d0039929f4f4d517032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.810650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031323/manifest.json
observed 9e5cd980072b6b99a4bdf516a8e5d837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.790219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031323/publication.md
observed 0897a7784c1a711cc2fdaf15544bb8a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.772548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031323/publication.txt
observed db9491990b21693ddd2bc9f309fa7a98...
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.