OpenTechnical

OT-2026-000006330

Publication integrity record

Porous face vacuum gripper, two zone face, pump fed, pulsed 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-2026-000006330) never changes.

Identity and time

Publication numberOT-2026-000006330 · never reused
Internal UUID01a0a957-3f53-79f5-9463-765c20dfe666 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:31:02.486234Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006330
StatusPUBLIC

Content hashes

Canonical textb4501d1eb066e9d1557eaf8fd870c677a4bb2f141c5cc2e02692bab9d672976d
Markdown02e3e7dacd21c9bbe54fee1f96657645a950cae14ea7b2aae660d20f20d6294c
PDF
Publication page385ea6aa115cf357aa9805b3f0639fe0ea9d9ad0aa35efeddfeddf88a927f3a7
Manifestf61e0f5fbba0347b0553675945e95bc1e4b87dae281ed7bc0c56b1898c76a421

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
SignatureoUBjOeaJlFOkvjHJk9ApVKG+Qv/6gw+bo3KLJYpvjbGfQn9Rx5C1JjMZfXPiXk9pB++Ij5bG4zEjezofhHx8Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:30.489461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006330
observed 385ea6aa115cf357aa9805b3f0639fe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:30.474727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006330/manifest.json
observed f61e0f5fbba0347b0553675945e95bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:30.458530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006330/publication.md
observed 02e3e7dacd21c9bbe54fee1f96657645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:30.443717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006330/publication.txt
observed b4501d1eb066e9d1557eaf8fd870c677...
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.