OpenTechnical

OT-2026-000087285

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000087285) never changes.

Identity and time

Publication numberOT-2026-000087285 · never reused
Internal UUID01a0ae9a-cd4e-7236-bb8b-7990d8cda7c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087285
StatusPUBLIC

Content hashes

Canonical texte96ad1598ad3c7406fce68ae1ead39180b5f710476f80f3a35c0004df2c0f124
Markdown9b5f0e195dac078ca4e5cf69f133221adcac53213ddbba7b66125f6ba9311a23
PDF
Publication pagedfd14f42fed92a918b772a6907c2e2c9d49308f0f3cfa5c8cb6bb344e49c7bef
Manifest2ebdddc2e424c246cff7ede095450a331132ae144383aa2f102d967465146235

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
SignaturehsAJ5sEqENwz8SWbjM+S6Gjmf2CdGoWA8opKFAZYa4qb2vruU0H1/ad+e8qpXK/URhGA4rB98JxLd1QHYwWxAw==
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

2026-09-17T09:50:26.197893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087285
observed dfd14f42fed92a918b772a6907c2e2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.177512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087285/manifest.json
observed 2ebdddc2e424c246cff7ede095450a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.175323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087285
observed dfd14f42fed92a918b772a6907c2e2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.156662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087285/manifest.json
observed 2ebdddc2e424c246cff7ede095450a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.156277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087285/publication.md
observed 9b5f0e195dac078ca4e5cf69f133221a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.138294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087285/publication.txt
observed e96ad1598ad3c7406fce68ae1ead3918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.135524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087285/publication.md
observed 9b5f0e195dac078ca4e5cf69f133221a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.112683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087285/publication.txt
observed e96ad1598ad3c7406fce68ae1ead3918...
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.