OpenTechnical

OT-2026-000093780

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000093780) never changes.

Identity and time

Publication numberOT-2026-000093780 · never reused
Internal UUID01a0ae9e-508c-78a2-bc8d-4f543cbefae6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093780
StatusPUBLIC

Content hashes

Canonical text3a6e9f5b5374528b3e5c5911c4a024eb15c2ecb7435e08466817824dc38d158f
Markdown03740f36267fa4587c2fb91e7ff71ae940859313ad9160e73f5e0eb29feb29ea
PDF
Publication page6be3d8d7def1d8bdb5d1a5f2987c555fc966bdd82cea66d9d73d8b6149814904
Manifest234d99ad96e73030294122782d3388991d17c737bda566ccaebcc2b97047d5a1

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
SignatureI6a0pw0W64DAJZ++KvLIhVh07Pk+ioaw+V+eC4PrNIBQ3/03y+PX/F8PL34qUpmBbkAqJ9qfcBtT2AeFjmTVCQ==
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

2026-09-17T09:39:52.802540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093780
observed 6be3d8d7def1d8bdb5d1a5f2987c555f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:52.783878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093780/manifest.json
observed 234d99ad96e73030294122782d338899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:52.764041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093780/publication.md
observed 03740f36267fa4587c2fb91e7ff71ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:52.745753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093780/publication.txt
observed 3a6e9f5b5374528b3e5c5911c4a024eb...
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.