OpenTechnical

OT-2026-000093820

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000093820) never changes.

Identity and time

Publication numberOT-2026-000093820 · never reused
Internal UUID01a0ae9e-508c-7ad5-b7ba-701ce00ec0cd · 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-2026-000093820
StatusPUBLIC

Content hashes

Canonical textadc2d97870c45347fb5ec8a4c4039ebfe46699ab581e0592f535201e2009d6eb
Markdown5fb4614ecc8a8a2ecf010b8fd9680837f5446f329049a21a16526c60096d2b7a
PDF
Publication page7bdd13848df41e6c0622e2d63e17eb128d8f24b3bd3f31903d866fc77f985bbe
Manifestb0d6e091ded947c06c046876388c1486e3eeebbaa6ce63f7e92dca426ea7a370

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
Signaturet9rnfJzM85urPzDHxSnY/IBJ7Z4Mlf42A74/XOZm1rXrYqADWssjp6xk5rXhEz4Xv+8HF8FkAkfMV1NLWw5dBg==
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

2026-09-17T09:39:55.811537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093820
observed 7bdd13848df41e6c0622e2d63e17eb12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:55.789778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093820/manifest.json
observed b0d6e091ded947c06c046876388c1486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:55.765740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093820/publication.md
observed 5fb4614ecc8a8a2ecf010b8fd9680837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:55.747222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093820/publication.txt
observed adc2d97870c45347fb5ec8a4c4039ebf...
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.