OpenTechnical

OT-2026-000027630

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000027630) never changes.

Identity and time

Publication numberOT-2026-000027630 · never reused
Internal UUID01a0ae72-6999-722a-a8f9-96d15794f99c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027630
StatusPUBLIC

Content hashes

Canonical text895ef59ff7d5421ec81afbfd36906193a39037ad5d228bb0cee6e494375cfcdb
Markdownec8329caeb5494694c6bfa920230b4c2fcc1fd5974be2cf684cb798258e7c2fd
PDF
Publication page81acddb897c7e1a1aac6b19dbad2d811c400cb4f1cafc0b3ba4cd97137a9e0d4
Manifestc7e0187c295abc7681883c4e76230c42bc0384a695ef9a87e23a82f00d64e273

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
SignatureKNLzBPY3NBz5JaH+sey8MgqhFanj9Xeb6ecKCIapbiYywWfpKKZEcPGFzsCpWwdqgPgXmt3QUFfYIvo1qGNKDQ==
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

2026-09-17T11:43:09.186017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027630
observed 81acddb897c7e1a1aac6b19dbad2d811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.166981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027630/manifest.json
observed c7e0187c295abc7681883c4e76230c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.149003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027630/publication.md
observed ec8329caeb5494694c6bfa920230b4c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.133527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027630/publication.txt
observed 895ef59ff7d5421ec81afbfd36906193...
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.