OpenTechnical

OT-2026-000007370

Publication integrity record

Vacuum cup gripper, common isolation valve, two outlet manifold, pump 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-2026-000007370) never changes.

Identity and time

Publication numberOT-2026-000007370 · never reused
Internal UUID01a0a97c-60ea-74c6-86a1-d469e8a47f8c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:11:35.917181Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007370
StatusPUBLIC

Content hashes

Canonical textb61f63c0aaad6a5aa73f918d7de23cd0ad695705e1c78975d2e3f1d66308b6f6
Markdown4a08ec9111b0794f941b4d945ebc465ffe9b286ce67282bb4e773f3faa97fdf4
PDF
Publication page52729dcad27f082cd8a9e42c1f27912d5cb4a5f21e162af4ed87ec7a03e269e0
Manifest3a3d0c9bb9c119a2e07a4788056f5de94fbc462c6448665590c481ccd11a9e24

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
SignaturehFlT7boEdQY8FoM2lkn9Oe2UP9Y49TKrQKkWQkCXgRwJsE+iaJ1Scj9V/CBTRID8BGvnARMGsyrmq/XdlOS8Ag==
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

2026-09-16T09:20:09.178534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007370
observed 52729dcad27f082cd8a9e42c1f27912d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.165712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007370/manifest.json
observed 3a3d0c9bb9c119a2e07a4788056f5de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.153747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007370/publication.md
observed 4a08ec9111b0794f941b4d945ebc465f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.140490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007370/publication.txt
observed b61f63c0aaad6a5aa73f918d7de23cd0...
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.