OpenTechnical

OT-2026-000098202

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two 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-2026-000098202) never changes.

Identity and time

Publication numberOT-2026-000098202 · never reused
Internal UUID01a0aea1-e964-7abf-9067-5b5178af99b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098202
StatusPUBLIC

Content hashes

Canonical textc2b8b771697b8171dbacc5a31ab2187d85f1f827ba7c54944b0d4601b68c3474
Markdown4295d470e8188133760d25914e1237befee4a4dfe7d3fcdd93b1e33205166162
PDF
Publication page9d76d68791b31c70def5f29066a9878d175a36965b475477e0218e11098b5947
Manifest7e0709aa5642c04981666dc528e93cb80107456ea0afc67e83dabdf239af3363

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
SignaturekT0KGEWb95iWGng/upuy1u7TpXiEbOEdUd6SLsX1b1HV/iD8HMH6Z6GJCAsWM9wCYYElUP986mhNpWk+qm6xDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:21.776905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098202
observed 9d76d68791b31c70def5f29066a9878d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:21.758564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098202/manifest.json
observed 7e0709aa5642c04981666dc528e93cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:21.741906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098202/publication.md
observed 4295d470e8188133760d25914e1237be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:21.724393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098202/publication.txt
observed c2b8b771697b8171dbacc5a31ab2187d...
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.