OpenTechnical

OT-2026-000083295

Publication integrity record

Three cup vacuum gripper, three zone face, single 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-2026-000083295) never changes.

Identity and time

Publication numberOT-2026-000083295 · never reused
Internal UUID01a0ae97-c963-7f62-b336-86c53de59b1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083295
StatusPUBLIC

Content hashes

Canonical text0ce4d8fffe103e0bffe68b36b766eb562cd54559bc25c5b470cfc3e59f47dd51
Markdown8bdc65ed8f0f3e32f321fbee4bb3ff4770bfbd520542cbf8d9a010239a928223
PDF
Publication page6086d79e31e2a62a74292a59b768972b9d6ea44845e495141ad8ee7d58cbb171
Manifestd97fbffd2630f314174270b4eed83e76a0ab82df3b65d4dc931419257d0cca59

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
SignatureBfcge0xTOXbc3PloAJyv08wfApc9/SEyJGBDxWepS/6ZNafa4PjvchWjfkGbFfsmhr8uLWpaW6jEoU41ayuYDA==
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

2026-09-17T10:00:32.418054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083295
observed 6086d79e31e2a62a74292a59b768972b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:32.400165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083295/manifest.json
observed d97fbffd2630f314174270b4eed83e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:32.382108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083295/publication.md
observed 8bdc65ed8f0f3e32f321fbee4bb3ff47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:32.363609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083295/publication.txt
observed 0ce4d8fffe103e0bffe68b36b766eb56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.263561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083295
observed 6086d79e31e2a62a74292a59b768972b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.247601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083295/manifest.json
observed d97fbffd2630f314174270b4eed83e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.231458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083295/publication.md
observed 8bdc65ed8f0f3e32f321fbee4bb3ff47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.214522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083295/publication.txt
observed 0ce4d8fffe103e0bffe68b36b766eb56...
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.