OpenTechnical

OT-2026-000009231

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000009231) never changes.

Identity and time

Publication numberOT-2026-000009231 · never reused
Internal UUID01a0ae6b-31b9-7a65-8782-a8c6ad146a3e · 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-2026-000009231
StatusPUBLIC

Content hashes

Canonical text0482afad40260798c28376644356321a6daf16fca72817e5b0a638d524075305
Markdown516407543b63d053ca5e362e136fb6c3b3f9208a2af56ba40a05ff4d7248cfcc
PDF
Publication page52bea32d4d75190f7a7deafde18e2178270c75b3f08625989e53b19790343e98
Manifestcd15881d42f36ab3f40e36132625a6bb3a6c16beb0c84499a587239474d15a63

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
Signature5/nlHIwKg0Aoj85KByJJBDRjD6BZHmUMECmkcYb8sXF9cPieVnrW3yZf2TT2p1cLr3oD/wk8uHj6LUbigjN6Cw==
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

2026-09-17T12:17:57.806796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009231
observed 52bea32d4d75190f7a7deafde18e2178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:57.787085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009231/manifest.json
observed cd15881d42f36ab3f40e36132625a6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:57.766216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009231/publication.md
observed 516407543b63d053ca5e362e136fb6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:57.744042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009231/publication.txt
observed 0482afad40260798c28376644356321a...
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.