OpenTechnical

OT-2026-000079276

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented after 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-2026-000079276) never changes.

Identity and time

Publication numberOT-2026-000079276 · never reused
Internal UUID01a0ae96-0b90-7d5b-a05f-6e0459660008 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079276
StatusPUBLIC

Content hashes

Canonical textdb5017b4e02fc531ef1c63a70ccccc398a63bbd04a484489065549a42673d10e
Markdown3650a448bebf3bb176b857128647051f8a90b9f60ae5ea094710e11c05f3c47b
PDF
Publication page30192bd9dfa2fec35d69dbaf4cda7c48a12baf808b4507ff907055bb043f2d2d
Manifestefbb233f693ba2ba65554f807d7cae064b089dc4f0f5a11948c2dc82c037ffce

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
SignatureyC9/oocx1Pbk0xCI34zH+VQoXN4PKKmUYAvanTFiZyt1HeohXjAib0fCZZjPQ8K4NG1UVcMQVhuOCVj0pIi/DQ==
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

2026-09-17T10:04:42.215342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079276
observed 30192bd9dfa2fec35d69dbaf4cda7c48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.197458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079276/manifest.json
observed efbb233f693ba2ba65554f807d7cae06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.146209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079276/publication.md
observed 3650a448bebf3bb176b857128647051f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.102102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079276/publication.txt
observed db5017b4e02fc531ef1c63a70ccccc39...
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.