OpenTechnical

OT-2026-000011256

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, vented after 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-2026-000011256) never changes.

Identity and time

Publication numberOT-2026-000011256 · never reused
Internal UUID01a0ae6c-5410-7269-9190-7834a46e277e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011256
StatusPUBLIC

Content hashes

Canonical text9275501b6eae11cd57533cca2b56c2910fc2d5d949dbfc3ac35cb84f5c29244f
Markdownf9ed572cf2ead5886117c78ad41126f06f958d38ce6784fa17b45f71a22d567a
PDF
Publication page45fe5ad9a7f4b557d0a8cad1423f0e06097441e60d94ed41ec2b7abb567e6f38
Manifest51f0c0458433e09f73e1176927c399ed0badc997b50b9c7f1c0ad9e7d2d340dc

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
SignatureUOgirP8Q9B2L4HCbcOWW3HA4FHHIWM0mXcNU8761r7u/bEaCtUSomHTGczol2DBPQtOjMi4d7GXKb4xlf3hbBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:13.515583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011256
observed 45fe5ad9a7f4b557d0a8cad1423f0e06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:13.498016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011256/manifest.json
observed 51f0c0458433e09f73e1176927c399ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:13.479101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011256/publication.md
observed f9ed572cf2ead5886117c78ad41126f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:13.460320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011256/publication.txt
observed 9275501b6eae11cd57533cca2b56c291...
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.