OpenTechnical

OT-2026-000082393

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000082393) never changes.

Identity and time

Publication numberOT-2026-000082393 · never reused
Internal UUID01a0ae97-4d96-7041-b999-9246011a10db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082393
StatusPUBLIC

Content hashes

Canonical text29ab7f3b7dd6474c6e0c090f35a2c094bdbba7310e70aace832306b2f43d43bd
Markdowncb60625c7746d1dccb84cf574a22651c379cf3cf2cf22fffb05c3dc4a7cb772c
PDF
Publication page67a5a801d4f91f483fb0042e32a51913f47620b2fd72db700a0abdeef3d520fe
Manifestf95ef7abb681fa860287ccdaccf5ea86180223664b815aeefb29b0038ec94bda

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
Signatures6N+LrrszpdGeYvj68v8ZzfVkiUdF019ymrN+pX/vfnc+0l+LHTFUNBgxJHqeP6utpYMOtKO5EANfhXCNYnuAg==
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

2026-09-17T09:59:16.521146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082393
observed 67a5a801d4f91f483fb0042e32a51913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.505929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082393/manifest.json
observed f95ef7abb681fa860287ccdaccf5ea86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.489865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082393/publication.md
observed cb60625c7746d1dccb84cf574a22651c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.474039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082393/publication.txt
observed 29ab7f3b7dd6474c6e0c090f35a2c094...
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.