OpenTechnical

OT-2026-000072417

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000072417) never changes.

Identity and time

Publication numberOT-2026-000072417 · never reused
Internal UUID01a0ae92-89d7-75dc-86b3-b76a880aa8fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072417
StatusPUBLIC

Content hashes

Canonical textae6b1e45f79a7e362aedd9e937a4d1dec19468280f9a91d9e2e15647d12fa476
Markdownab1115f6c2988cc4179b188ecc7100054469d843047a8458a9e553344da7a6d0
PDF
Publication page730f779d8464d694d59a5f423ded24125ef6958699a4153027e6a1914d95099d
Manifest477ad1ad9036015fd1a20f58fe98be618ce72cc633d87725e77c812785e55233

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
SignaturelhNLip5keuVxtHrSMxAOGSqsp3cI6lReVbgNRoa1+QADCXYCAnCURz+VK4E9xIzn4pVvv5J4hAl6+DTkIv+QAw==
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

2026-09-17T10:22:13.913778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072417
observed 730f779d8464d694d59a5f423ded2412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.896197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072417/manifest.json
observed 477ad1ad9036015fd1a20f58fe98be61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.879016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072417/publication.md
observed ab1115f6c2988cc4179b188ecc710005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.860847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072417/publication.txt
observed ae6b1e45f79a7e362aedd9e937a4d1de...
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.