OpenTechnical

OT-2026-000051574

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000051574) never changes.

Identity and time

Publication numberOT-2026-000051574 · never reused
Internal UUID01a0ae83-7c81-73cb-b4b9-953f4d17df20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051574
StatusPUBLIC

Content hashes

Canonical text85a83e84534766b65b9cfef8326166b48d43cdacbbbf77ed6fd08f0c12962f1a
Markdown08ebf69b8090908f770e2e4cd6ea705a736ad384037a7ee3d1eca5e342eeef98
PDF
Publication pageb388a6f8974a3e0f35303bbe1f7a1a50aaa38f7fca5382c3a5172b2c42e62aa3
Manifest4b29f2a55fdb318e01512664dbe00d35aadcc55da3fcd67ab04a526d02e60adc

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
Signature+V6DjIyjFyOHKF/vD48hhKuGyLEpxbAaUw1+85Qy7IW7W/7824L79evAnFuz+UEKw0qOwHGpsWjDrkBldWjOBw==
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

2026-09-17T10:58:24.932137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051574
observed b388a6f8974a3e0f35303bbe1f7a1a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.914846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051574/manifest.json
observed 4b29f2a55fdb318e01512664dbe00d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.897217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051574/publication.md
observed 08ebf69b8090908f770e2e4cd6ea705a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.878586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051574/publication.txt
observed 85a83e84534766b65b9cfef8326166b4...
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.