OpenTechnical

OT-2026-000070476

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000070476) never changes.

Identity and time

Publication numberOT-2026-000070476 · never reused
Internal UUID01a0ae91-545f-77dc-b609-2661588eeb5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070476
StatusPUBLIC

Content hashes

Canonical text7483cd136ee0790db41d28c2f19137887f78431554a56b09af03f5183aee3cba
Markdown4583acdf04933378b6d751673492fd0d04be96d57d41c5be04765c3e95768afc
PDF
Publication pageb8e724a65a839fa3fb3625bf5c48be32900ddb5e34a99e825dda43d4a74401e0
Manifeste05b6cc83169f2c2479678df2c5e0123df6acb461baed21a4ec7f2a165ffd993

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
SignatureeRQyocJeSOR4/XapsCuR689OHOQvw7TkTUJ8XckL/NaGMN0h+Y49chzbNCXprRM+iwkQEhV0VR5ycA1ZR5U0Cw==
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

2026-09-17T10:26:18.547581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070476
observed b8e724a65a839fa3fb3625bf5c48be32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.530313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070476/manifest.json
observed e05b6cc83169f2c2479678df2c5e0123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.512315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070476/publication.md
observed 4583acdf04933378b6d751673492fd0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.495466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070476/publication.txt
observed 7483cd136ee0790db41d28c2f1913788...
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.