OpenTechnical

OT-2026-000093101

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000093101) never changes.

Identity and time

Publication numberOT-2026-000093101 · never reused
Internal UUID01a0ae9e-0910-7197-88ce-db85542de058 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093101
StatusPUBLIC

Content hashes

Canonical text0012c590a7c80c9bdcf8d0aebcb4fd4851214aca9185805811f0fa519c2d5883
Markdownd8ad9005c5c2d6d249edf4dd0fb47775ca4398f1f8d68bffec0dd1ba9f0ce951
PDF
Publication pagefa4630b375f34a9ecf23626d5d4cf67107edf29776f5d4eb80bb364857a848f7
Manifest776da6a16fd96fd6d910b00b213460fd4db1ccfb5ef5cab2a7136283ecd133e5

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
SignatureN4j+ETq4Q3FOR1Rip5R95ZUJk+c6BewWMq8/zTt/KUMwZavzge8RhQPvw3rCm0KU4mIpHABBtZTv6TZxEI3nDg==
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

2026-09-17T09:40:21.324652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093101
observed fa4630b375f34a9ecf23626d5d4cf671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.307123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093101/manifest.json
observed 776da6a16fd96fd6d910b00b213460fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.290002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093101/publication.md
observed d8ad9005c5c2d6d249edf4dd0fb47775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.270317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093101/publication.txt
observed 0012c590a7c80c9bdcf8d0aebcb4fd48...
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.