OpenTechnical

OT-2026-000021350

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000021350) never changes.

Identity and time

Publication numberOT-2026-000021350 · never reused
Internal UUID01a0ae6f-865c-7dcf-b760-05c7693fc1ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021350
StatusPUBLIC

Content hashes

Canonical textb01176a143e30827efe770f6034e97f959117ae142fb9c2a247c8b7cb0d637f7
Markdownfc70f5457fd2f8eef9ec48d8c0c07554a04be1f5359e74c5526a0ca24590eb0b
PDF
Publication pagebd415f26ff0cfbeb3c70cadfc85e388b3c4f77104b1f8b27a70412a616371eaf
Manifest29e4a89fc376ca2084d49008b85dd0a7786546b39b86db613961651201ccab0c

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
Signaturew3ceRfRXWyXY4I6uhKqzSE/LNcaZdG6leIOmMrCg57JV9vwYHP8yY4zKIKekIrouiZ/FEob55NU9v57EM/fnDA==
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

2026-09-17T11:55:12.407801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021350
observed bd415f26ff0cfbeb3c70cadfc85e388b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:12.389781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021350/manifest.json
observed 29e4a89fc376ca2084d49008b85dd0a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:12.369310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021350/publication.md
observed fc70f5457fd2f8eef9ec48d8c0c07554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:12.350763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021350/publication.txt
observed b01176a143e30827efe770f6034e97f9...
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.