OpenTechnical

OT-2026-000084444

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000084444) never changes.

Identity and time

Publication numberOT-2026-000084444 · never reused
Internal UUID01a0ae98-5b63-775b-8a80-4e13ed54e9d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084444
StatusPUBLIC

Content hashes

Canonical textf9d4cc44c6c97b6cc0d75a1ec192cf3184815552decfa446d602f285872bc5ee
Markdown4876e68c8b56804f11ff1386dfe0fc8a9525d55d7fef4070b79a1cc83113f468
PDF
Publication page9853de6e96b3f8e68c9ee4078ca5cc79009a1f25d18d30abe64d0e7c70aac348
Manifestd416b0c4985943604a928e616729406cd06de4dd469e2802c613481ec858efbf

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
SignaturefaVoMpkyGhjeU+kiX/r2bJqj8k0ORH87ChNDD6cDuP4M+kWjXO3RHsiRvGH/4rmdhM5R6YHMNuhug5I6phT2Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:24.072983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084444
observed 9853de6e96b3f8e68c9ee4078ca5cc79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.053217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084444/manifest.json
observed d416b0c4985943604a928e616729406c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.034717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084444/publication.md
observed 4876e68c8b56804f11ff1386dfe0fc8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.014979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084444/publication.txt
observed f9d4cc44c6c97b6cc0d75a1ec192cf31...
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.