OpenTechnical

OT-2026-000007630

Publication integrity record

Single cup vacuum gripper, 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-2026-000007630) never changes.

Identity and time

Publication numberOT-2026-000007630 · never reused
Internal UUID01a0ae62-76bc-7a38-9d20-26e6120a3c3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007630
StatusPUBLIC

Content hashes

Canonical text9b511162a567578993324b99e202580f15e9b1f5c66396406708331e162c3c6a
Markdown915a512dcae99b45b3a8d3d65859b7d16176e11344124675bb2a2f8e1be5ec74
PDF
Publication page840fc8ec10d53f81b7ece9362a1481a078b02bdb7b691880d96d9a805fa98b9b
Manifestdfad464235d0ee7bdd0829c4895ebb171fdbf2f269ea11f8711af8ab0e4ed5a4

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
Signature73OUycfuvPt/m4A4lJ3KUAr6o0LX+QNL1U8r4qDEeZOS/07xoIF2AwxODxMHH4FTRk+weDeyZ3LZ0lgG4D3kCA==
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

2026-09-17T08:10:14.775043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007630
observed 840fc8ec10d53f81b7ece9362a1481a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:14.755465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007630/manifest.json
observed dfad464235d0ee7bdd0829c4895ebb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:14.739112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007630/publication.md
observed 915a512dcae99b45b3a8d3d65859b7d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:14.720586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007630/publication.txt
observed 9b511162a567578993324b99e202580f...
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.