OpenTechnical

OT-2026-000061385

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000061385) never changes.

Identity and time

Publication numberOT-2026-000061385 · never reused
Internal UUID01a0ae8b-7b42-704e-874d-9b2fd2349204 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061385
StatusPUBLIC

Content hashes

Canonical textcd6bc1059f2d26349a1ae3b2432fb087e2e6574cbbece666c461540453abedca
Markdownf7b45a1a2fa666c5e1c11a87072bbf5de0ef011fa9b0126a93d6a92c567e4845
PDF
Publication page2bf6bd44e2693dd6d1f03795b241f8070d95a788a98db3708ad045609d5ef244
Manifest3edcd612bc7fd3aa3ba0ebf35bece8ae5539ad8d36480bdaade7e0b81d3eb207

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
SignatureCgSHyUcF9mVRJDB5UfppE1kOpp7pOcAxo9HIlAKSoRmKmLwLoWID1Ds560AxaMI6zjlgtP0Cqdb1nZ079aE7AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:14.651644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061385
observed 2bf6bd44e2693dd6d1f03795b241f807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.634040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061385/manifest.json
observed 3edcd612bc7fd3aa3ba0ebf35bece8ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.616280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061385/publication.md
observed f7b45a1a2fa666c5e1c11a87072bbf5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.598109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061385/publication.txt
observed cd6bc1059f2d26349a1ae3b2432fb087...
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.