OpenTechnical

OT-2026-000099497

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000099497) never changes.

Identity and time

Publication numberOT-2026-000099497 · never reused
Internal UUID01a0aea2-c974-7c3d-a8f1-13fe05b6b3d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099497
StatusPUBLIC

Content hashes

Canonical textc6cd6f8c88bc1509e846a802723be4fe4e501e94f732d6c5495100b43eace492
Markdownc7d712753890042f4dacaa569caeaacdb9b75f49c6d884794b8e692d53452f1e
PDF
Publication pagee8f76b356eb7faea1eafe400a6340bfc795ef9e41aec3a66f7cbc680421ff3ca
Manifest7cbcd7c5ac719361a753b4892f0dc108af94e763540147f79c29597cb74c21e1

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
SignatureoBNQ1b1voeluw3wqn+JZ1atDd38AKjrks9Lh8Hu0oYANRjAfQWsAvY17UEzJqlaHjZQvv+lv+kQ1YlCKSx3mAA==
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

2026-09-17T09:29:23.519222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099497
observed e8f76b356eb7faea1eafe400a6340bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:23.500884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099497/manifest.json
observed 7cbcd7c5ac719361a753b4892f0dc108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:23.481420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099497/publication.md
observed c7d712753890042f4dacaa569caeaacd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:23.462789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099497/publication.txt
observed c6cd6f8c88bc1509e846a802723be4fe...
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.