OpenTechnical

OT-2026-000050873

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000050873) never changes.

Identity and time

Publication numberOT-2026-000050873 · never reused
Internal UUID01a0ae82-c7b2-7000-b0d5-c589a8f3bf98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050873
StatusPUBLIC

Content hashes

Canonical textce75266e4d0d3af6fa8c942374a2448af5745339ab813fbc3bab443be9236576
Markdowne48d19168b105bd6756f7418d22bf46d650ba07ed2b4e7625692ba4fa34801d6
PDF
Publication pagebabdea0903dd5cec108f8010fc4515dad026d1a28ec51be2cb0f333799a0c492
Manifest6e0b072c47eecf9a6b304e680741c8aad0e5e8406425f13effa6c328420c3dd2

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
SignatureFDCuE3JcDgFDfaqqB4Xomfv+0o4Ff/50LJp3aJsrOK5KfoTfyyJZiQPnGjgttpYii3tqlUrVOwTqXptbaiicAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:36.100075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050873
observed babdea0903dd5cec108f8010fc4515da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.079997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050873/manifest.json
observed 6e0b072c47eecf9a6b304e680741c8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.057013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050873/publication.md
observed e48d19168b105bd6756f7418d22bf46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.044561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050873
observed babdea0903dd5cec108f8010fc4515da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.035212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050873/publication.txt
observed ce75266e4d0d3af6fa8c942374a2448a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.026636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050873/manifest.json
observed 6e0b072c47eecf9a6b304e680741c8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.006984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050873/publication.md
observed e48d19168b105bd6756f7418d22bf46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.987072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050873/publication.txt
observed ce75266e4d0d3af6fa8c942374a2448a...
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.