OpenTechnical

OT-2026-000102997

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000102997) never changes.

Identity and time

Publication numberOT-2026-000102997 · never reused
Internal UUID01a0aea4-be3d-7dd0-8cdf-b4c1283e50b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102997
StatusPUBLIC

Content hashes

Canonical texta6993c29ffc9f1c9025efe46b447735efeb364a819af6421dc34943ba2458e69
Markdown146bc6ad635dba000077aa33ceb9d343f944e12e26d76b2b822db8c12f480a10
PDF
Publication page693ad542e2806ce827be77871186e755506c723fe9ed36071e6711c104af8f8d
Manifest9754c3bba018ff2661fb59998025438d65c52831eede58e261fac1c19b925387

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
Signature3ypZ3l4iUDSopqjoQllVXTs9KCsUUIPQm2FLt4Rnlb457NSEveKCSTl++Ty0yVfPU7v0KQ9ynQ7k5Rjewz9qCg==
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

2026-09-17T09:23:06.661650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102997
observed 693ad542e2806ce827be77871186e755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.643337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102997/manifest.json
observed 9754c3bba018ff2661fb59998025438d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.624173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102997/publication.md
observed 146bc6ad635dba000077aa33ceb9d343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.606962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102997/publication.txt
observed a6993c29ffc9f1c9025efe46b447735e...
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.