OpenTechnical

OT-2026-000095829

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000095829) never changes.

Identity and time

Publication numberOT-2026-000095829 · never reused
Internal UUID01a0ae9f-fac6-7671-8a12-054fbc8efe83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095829
StatusPUBLIC

Content hashes

Canonical text7ed2c48add4fde2d28cc68a4744e6eff1ad5f8e0adbcc3375529b3e94456cfaf
Markdown6a46f9c6eeee724630f12918c73f6cee01660b3c821b1b13d3ef20e1caac9eac
PDF
Publication pageb51ce39e7393f50eff9810ee4a0f20c7f9cfe9ee37b9155267efd79568879b41
Manifest88892d2de4b21738bace7e46cc52e78f5a59184662c58b0640a59cc7b4d4e920

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
Signature9uKBenVczb8+JJFfUZA+3h/rSVd1O8aWLXX09+3HsdKi6enz1G4GPXWfXOdIY583o47r7g38m4Vnj/14EqpCDA==
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

2026-09-17T09:35:54.624485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095829
observed b51ce39e7393f50eff9810ee4a0f20c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:54.604586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095829/manifest.json
observed 88892d2de4b21738bace7e46cc52e78f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:54.588480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095829/publication.md
observed 6a46f9c6eeee724630f12918c73f6cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:54.570620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095829/publication.txt
observed 7ed2c48add4fde2d28cc68a4744e6eff...
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.