OpenTechnical

OT-2026-000007276

Publication integrity record

Vacuum cup gripper, common isolation valve, four outlet manifold, ejector fed, pressure verified, silicone cups

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-2026-000007276) never changes.

Identity and time

Publication numberOT-2026-000007276 · never reused
Internal UUID01a0a978-ffda-74de-aad3-e0e60e5e6ab4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:07:54.461178Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007276
StatusPUBLIC

Content hashes

Canonical text3d07d9b2d6cb3a5908a1fef532140a826e0a84b94ef2005c5f0aa6643675ee14
Markdown53bbdaa8cd1805a5c3f1a85232e0bb31ccce6df75cc3065beb5e8fe62887f058
PDF
Publication pageaf954efde564c81ca959e761634a371051875e27d77b7266a4658a4a45028dcf
Manifest78bf45afd37a805b2715c694deb272ef5b786adf8e5b1c67a0d41f8dbd9ad12c

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
SignatureWzfeJBqTv0P/2ss+KEpaBjM6CtFYI2nV6jbBKk8RH/5tQu+ioqYTXNt2OZyZw4BRyEUMSOW6BB6BaEnX0Q25Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:08.742908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007276
observed af954efde564c81ca959e761634a3710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.731199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007276/manifest.json
observed 78bf45afd37a805b2715c694deb272ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.716837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007276/publication.md
observed 53bbdaa8cd1805a5c3f1a85232e0bb31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.705266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007276/publication.txt
observed 3d07d9b2d6cb3a5908a1fef532140a82...
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.