OpenTechnical

OT-2026-000044196

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down

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-2026-000044196) never changes.

Identity and time

Publication numberOT-2026-000044196 · never reused
Internal UUID01a0ae7b-d67b-75e8-943a-b10f3772e8b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044196
StatusPUBLIC

Content hashes

Canonical text44509a4ef1af76ec0d337fe4615ff49a1fd7ada968227fe91cad621b5ad803f2
Markdown82939093fb890b3df00fc1f970b9cfedb0d2cf7c0df79fba09fdceecafacfd4a
PDF
Publication pagec38d4944c75687bab49d8eec4bdc8b9650a070ca511239dd01d754e8eb449af2
Manifest56e136537e32f0c5e83bfb2b1ebf2e92a447057ba0c12dd3fe68ad4a5e85385f

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
SignaturevClFuQQVx83SJ+dHCsFPdrO+a2/CIwlIhNL5FqDyDkhAs+9K2ZL0uuUQF+SigHskWoaC9tjs8GWd0/WMI9iLDQ==
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

2026-09-17T11:12:44.738557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044196
observed c38d4944c75687bab49d8eec4bdc8b96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.717788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044196/manifest.json
observed 56e136537e32f0c5e83bfb2b1ebf2e92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.697913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044196/publication.md
observed 82939093fb890b3df00fc1f970b9cfed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.678412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044196/publication.txt
observed 44509a4ef1af76ec0d337fe4615ff49a...
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.