OpenTechnical

OT-2026-000102874

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000102874) never changes.

Identity and time

Publication numberOT-2026-000102874 · never reused
Internal UUID01a0aea4-be3c-7a7e-a1b5-5e35a3691b71 · 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-2026-000102874
StatusPUBLIC

Content hashes

Canonical text3589bdc96809a7c14f5bb5917ae16bc21a9fb68c08e4e3796ea6e0da2f1c2c13
Markdown1cf6ea8bca0cf736e31514e0f3108308c9b0ae45842e10d28f55db37cce108fe
PDF
Publication pageaf0c889d9befdb738feb9d0d6a21e4e47e8d3b5983cbf87886bef093c0137267
Manifest79def9c510c9632c9449d2ad841db8cf204074037c8a37f01f9d56ca40f5a06b

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
Signature6oRskTBniXXg7tNL3TEDk/Ydfb0L/iHeCJqa/22i8p5wdqGGxFK2IAHl7RInUjEW0Re2CqQNu5SHBQ9dzjIUDQ==
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

2026-09-17T09:22:52.797036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102874
observed af0c889d9befdb738feb9d0d6a21e4e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.780797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102874/manifest.json
observed 79def9c510c9632c9449d2ad841db8cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.764728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102874/publication.md
observed 1cf6ea8bca0cf736e31514e0f3108308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.750092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102874/publication.txt
observed 3589bdc96809a7c14f5bb5917ae16bc2...
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.