OpenTechnical

OT-2026-000084474

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000084474) never changes.

Identity and time

Publication numberOT-2026-000084474 · never reused
Internal UUID01a0ae98-5b63-797d-bdde-723d98c5eca9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084474
StatusPUBLIC

Content hashes

Canonical text7dae699e25a09ae86ad73cd14a379a6b425878ee960b5376f6ca59ec109fbb64
Markdown89c62a97ad3922fbbb5bae2d09646d1761ee7d1597eb505bd3d424ae0d8bcef7
PDF
Publication pageaf41f044e9e4dea9b930655b19871cc3ae5609dbc312ff2cb30ec969cb2f1e3d
Manifest531596713f88ea2bbaedf54dcb247c47ffb904f7725754aab7053abbf73cc295

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
Signature5kZmbkGFKLWT1r7uO6MVi6zhxA788akEdEz6OIJpfHS4epUIsmrlsQDVdm8idAl0dfp1miWlHoKoY2d0RiGdDQ==
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

2026-09-17T09:56:26.424282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084474
observed af41f044e9e4dea9b930655b19871cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.408062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084474/manifest.json
observed 531596713f88ea2bbaedf54dcb247c47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.389340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084474/publication.md
observed 89c62a97ad3922fbbb5bae2d09646d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.370861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084474/publication.txt
observed 7dae699e25a09ae86ad73cd14a379a6b...
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.