OpenTechnical

OT-2026-000084035

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000084035) never changes.

Identity and time

Publication numberOT-2026-000084035 · never reused
Internal UUID01a0ae98-5b5e-75b8-8cf1-ab974cde5842 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084035
StatusPUBLIC

Content hashes

Canonical textd13e0dbf6d3e0b31d56f6d4495622fa9998b1fc3e3a4f11e5771c2300a24c6fa
Markdownba77296a24898dcccc2b739d2f54fd57f87b9883c44ec9742d0d7339c5904764
PDF
Publication page560561f25b49add24f23fdf0148a5efe9196be47d0b4d0fface487944cca960b
Manifest600d9e13478cd8554c83c0084bf9273dc3fb97a627455bc3543c6b3e71770b10

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
Signature96wGNkGWBs3FnWkD5WH73xZJ3PPibSUNHgP0UWmw0ElpW2GmcjM0f57FLYqMI6g8d8UeRoa7hIXIszu6LxvlCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:45.671917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084035
observed 560561f25b49add24f23fdf0148a5efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.654601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084035/manifest.json
observed 600d9e13478cd8554c83c0084bf9273d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.636411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084035/publication.md
observed ba77296a24898dcccc2b739d2f54fd57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.619450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084035/publication.txt
observed d13e0dbf6d3e0b31d56f6d4495622fa9...
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.