OpenTechnical

OT-2026-000007595

Publication integrity record

Foam pad vacuum gripper, pump fed, 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-2026-000007595) never changes.

Identity and time

Publication numberOT-2026-000007595 · never reused
Internal UUID01a0ae62-4df8-7a91-a88b-8e8068629ca0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007595
StatusPUBLIC

Content hashes

Canonical textc673f6d06e20684ddb19dd0de90b70d4b4fbca770fcc586ad3b268389d1d0583
Markdowndef52ca3586d0a0763854e9d9db4c05f96fea6a800f1fb5f5b5fa42a3d0798ad
PDF
Publication page6c00e1fe186342f3c98d88d3c0814f8e6e10aad1f1e04b5256a3fd21142bec33
Manifestba1f57e5c1462ca9737817b3a443d0b9f8bb4102158391f21ad2504b278d0624

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
Signatureho1u/WKPGJh/dG1uWD24WuuzfqdYR/wVQohIruGfRKK4mU/BjRRnTdOpUcB/u0DjwRq2vNVOxiz74fDk1OuNBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T12:20:54.262017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007595
observed 6c00e1fe186342f3c98d88d3c0814f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:54.242110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007595/manifest.json
observed ba1f57e5c1462ca9737817b3a443d0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:54.221052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007595/publication.md
observed def52ca3586d0a0763854e9d9db4c05f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:54.198288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007595/publication.txt
observed c673f6d06e20684ddb19dd0de90b70d4...
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.