OpenTechnical

OT-2026-000100130

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000100130) never changes.

Identity and time

Publication numberOT-2026-000100130 · never reused
Internal UUID01a0aea3-3052-79a5-affe-85fec4441b5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100130
StatusPUBLIC

Content hashes

Canonical text77693052dee400184462d03f340ef0c31c12b85eb59161fd45a3ab72891ae2c0
Markdownbd61763fa54ff8ef4817c6887c3326ab8e7ea26e91a00f2b5203f7b939a89461
PDF
Publication pageb1a05dbfa6b85cdace86e45dd479befc6eaa0447b636d5a9575d78132b7fcaa3
Manifest22f4e3bb6bfe4c1da015a78766295c7462c82a16707c4d25373def6339b86f92

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
SignaturezOnI4Q8PCNbrZSImCPdqv4YJ/+QPUAlnPVveVtcWZnuLOBVTowscw4e0B0X8MR1GYSFNstGYn6oYZ5KVDipKAg==
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

2026-09-17T09:27:49.746018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100130
observed b1a05dbfa6b85cdace86e45dd479befc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.727339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100130/manifest.json
observed 22f4e3bb6bfe4c1da015a78766295c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.708138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100130/publication.md
observed bd61763fa54ff8ef4817c6887c3326ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.689384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100130/publication.txt
observed 77693052dee400184462d03f340ef0c3...
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.