OpenTechnical

OT-2026-000031206

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000031206) never changes.

Identity and time

Publication numberOT-2026-000031206 · never reused
Internal UUID01a0ae74-87ab-79bb-b457-1a4e455f96cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031206
StatusPUBLIC

Content hashes

Canonical textc238dcb3cc094895cd0231e7e319786d2bbc8ca73b8987b28d7ee09a60b3d934
Markdown9d1eebf6a0e8b22fc07eadf7cee115228f2ae2095e1bd5cd8d6e974279cd5f3a
PDF
Publication pageb13282084f9d559478f7fa587737c0f1d212f6ad7a6caf30f76aba15f0ea6300
Manifestea35cf672caeb829668dc9d18b83b5045d962b2f3659ebf70c10e0efac2da7ca

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
SignatureztR9XyzruaET9SLtL+WLf5ouoJspWXDIwOUkHBn3v3J7fDF++5BPjmpfX6adMTOFy2k37TE8/M+LVOFtccLoDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:35:46.185098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031206
observed b13282084f9d559478f7fa587737c0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:46.167971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031206/manifest.json
observed ea35cf672caeb829668dc9d18b83b504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:46.152553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031206/publication.md
observed 9d1eebf6a0e8b22fc07eadf7cee11522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:46.137132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031206/publication.txt
observed c238dcb3cc094895cd0231e7e319786d...
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.