OpenTechnical

OT-2026-000099222

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000099222) never changes.

Identity and time

Publication numberOT-2026-000099222 · never reused
Internal UUID01a0aea2-8288-74c3-ad98-9aa5cafc6506 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099222
StatusPUBLIC

Content hashes

Canonical text9f7a149aaf91f2f8768e5603245bbec31280338b52698f7f4ad701822833691f
Markdown7acad0bd651318c5765e4c3ac223be4f1745e30a5b45d4abd4b14f5515a78abe
PDF
Publication page76e2a01dfa84773be5fee09b318b46eeaa8262996820a47c9c4158ee3304de5a
Manifest19926b418ac81cfd4bcc9d3268a455cb1e5ca800a5f22bfeb5555a83177fd43e

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
Signatureom48+H+m+t7hiuyGBMas6nqUBHkavqjKQNR7SjQed9JSMB1kB7ukJrkmclCvDM0zVRMaL6Ymf2tz8bz8auRnAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:37.228860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099222
observed 76e2a01dfa84773be5fee09b318b46ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.207161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099222/manifest.json
observed 19926b418ac81cfd4bcc9d3268a455cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.189134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099222/publication.md
observed 7acad0bd651318c5765e4c3ac223be4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.171315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099222/publication.txt
observed 9f7a149aaf91f2f8768e5603245bbec3...
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.