OpenTechnical

OT-2026-000009285

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000009285) never changes.

Identity and time

Publication numberOT-2026-000009285 · never reused
Internal UUID01a0ae6b-31ba-7aea-8565-a1702ae12537 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009285
StatusPUBLIC

Content hashes

Canonical text50b4f3045ce6313330d3c701471e8228ab8e022cbc81c0d29d9edb79c6ce77e6
Markdownec57bb51cdafb72614ef3d87af7edabcfdf8856dd6d05e3743fe0450d75205ea
PDF
Publication page4ade4ea28e4b2fc712d886b24fc2c219189505c6643bbdddaf35ecb3e82d2d95
Manifest176ec2b2948fb0a6c7d28cd85700de931a75fd1b99a798354872dcd1f321d378

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
SignatureLwfXaJe46FJ6S2PI8Np8K6/Q/c0v1pD354ldgxMj/zWFw23Dtdz5UOlln47EnWb45QYmG/ooBWUlLDVhg/0QDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:03.167825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009285
observed 4ade4ea28e4b2fc712d886b24fc2c219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.148444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009285/manifest.json
observed 176ec2b2948fb0a6c7d28cd85700de93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.127797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009285/publication.md
observed ec57bb51cdafb72614ef3d87af7edabc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.108828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009285/publication.txt
observed 50b4f3045ce6313330d3c701471e8228...
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.