OpenTechnical

OT-2026-000079625

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump 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-2026-000079625) never changes.

Identity and time

Publication numberOT-2026-000079625 · never reused
Internal UUID01a0ae96-0b92-705f-b628-5dd839ba271c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079625
StatusPUBLIC

Content hashes

Canonical text37675c0b44d866d16a3817753e76a80eddfd4bf6851622e218ab7badfa36f22e
Markdown67bfc7727b58606567d3524534399b3d597da9045ecac221d5e4df6969f7d068
PDF
Publication pagea4de2ad10f3975f252fcd6056104190cefafe7cd5365fadb5371d9c25f774336
Manifeste731f5c73e6b74e5fe281c9b4192fd067ee0a6afd913b32bfb1f2dcb1c50e181

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
Signature/3b6T5qYZPdAojhx3Bno0rCjLTNQ4MwYZlAkuVv6AiTdh8h1GGvsUuvoExjJ5o4OZF5tktHUrVir7YfxaRXFAg==
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

2026-09-17T10:05:17.419869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079625
observed a4de2ad10f3975f252fcd6056104190c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.400854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079625/manifest.json
observed e731f5c73e6b74e5fe281c9b4192fd06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.381249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079625/publication.md
observed 67bfc7727b58606567d3524534399b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.361918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079625/publication.txt
observed 37675c0b44d866d16a3817753e76a80e...
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.