OpenTechnical

OT-2026-000083349

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000083349) never changes.

Identity and time

Publication numberOT-2026-000083349 · never reused
Internal UUID01a0ae97-c964-78b7-8048-408269b9666a · 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-2026-000083349
StatusPUBLIC

Content hashes

Canonical textf33eef0f1bde5df0a0431ae40451886736381cc4ff38b08e1edd29767f053478
Markdown91fcee17f9980a2e832e76cbca2681b95ea69c27703b65ada890448098e13107
PDF
Publication pagec1846eb886f3f9ed8ab9dce0796d17a9ee0edc54b5c52c17011ef97c8c1e5b91
Manifest39e03417c4bded8f346028a5688c9cb5783169bf8f1d0e50586ca53263db14ad

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
Signaturerx+5bfFh4767uNuqTOK9Z71EXhtAt0gb3F/IiLVx8AixMUHPfzwB4/9B6POgB/HVzObSJx4TCZscSLmnkDYBCg==
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

2026-09-17T10:00:37.434536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083349
observed c1846eb886f3f9ed8ab9dce0796d17a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:37.417075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083349/manifest.json
observed 39e03417c4bded8f346028a5688c9cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:37.397965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083349/publication.md
observed 91fcee17f9980a2e832e76cbca2681b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:37.376477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083349/publication.txt
observed f33eef0f1bde5df0a0431ae404518867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:45.012413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083349
observed c1846eb886f3f9ed8ab9dce0796d17a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:44.995290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083349/manifest.json
observed 39e03417c4bded8f346028a5688c9cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:44.977999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083349/publication.md
observed 91fcee17f9980a2e832e76cbca2681b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:44.961085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083349/publication.txt
observed f33eef0f1bde5df0a0431ae404518867...
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.