OpenTechnical

OT-2026-000095017

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000095017) never changes.

Identity and time

Publication numberOT-2026-000095017 · never reused
Internal UUID01a0ae9f-2df0-7c4d-bb1c-d4cf77247b1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095017
StatusPUBLIC

Content hashes

Canonical text374bfff7a8c1cf37934085b0d9b5f6be1f9c76858172fbf08c8e993b0b6b1ce9
Markdown8da1a3a62f5d8399443f6d67f292a2d527b57de5cd510e9618a2802bd1e81a8d
PDF
Publication pagee233e869070fe623360ad59e590dc54b7c06aeeac478586f87fab4c2f9f078f6
Manifest78d07086f053eb113e4e3b7087f3bda9220a9ea1b017d5f71ede653b8392176a

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
Signature5D+IA6qqpChH4Q5YyVpzv4LKsITF2jzqxdLCpqIZOMTKPQN3Opz06r6lcPCChUbnIR8omqhCmuzxs/L4OGZiCg==
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

2026-09-17T09:37:34.540412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095017
observed e233e869070fe623360ad59e590dc54b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:34.523649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095017/manifest.json
observed 78d07086f053eb113e4e3b7087f3bda9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:34.507782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095017/publication.md
observed 8da1a3a62f5d8399443f6d67f292a2d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:34.489581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095017/publication.txt
observed 374bfff7a8c1cf37934085b0d9b5f6be...
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.