OpenTechnical

OT-2026-000095422

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000095422) never changes.

Identity and time

Publication numberOT-2026-000095422 · never reused
Internal UUID01a0ae9f-8f73-7999-b8a3-96467605c060 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095422
StatusPUBLIC

Content hashes

Canonical text301061455241913238968197cb999c9208de37076f976d0b039a438ae2ef9c1e
Markdownff09e66488fa7d60b8c2c86225ac0e1afbf9a3a088d912f44547272d15645d2d
PDF
Publication pagee765b3d71f5bb49c817cec0f309c773cf87a5fc04fa47a94d50036cd3a677f00
Manifest15310780d28a6dd44d7b24e2de4f5bf33b3c9d1b79b856ef1a4e1ffe37aec547

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
SignatureOok17LfYwCUjPogl4oV+6WhJ/DSXp3pM4WjuctH4gCWrFOHAPBhZTPqkxZAC7GpqWDWg6nVH9OpKqG0bvhB0AA==
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

2026-09-17T09:36:48.079564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095422
observed e765b3d71f5bb49c817cec0f309c773c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.063304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095422/manifest.json
observed 15310780d28a6dd44d7b24e2de4f5bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.045201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095422/publication.md
observed ff09e66488fa7d60b8c2c86225ac0e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.027305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095422/publication.txt
observed 301061455241913238968197cb999c92...
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.