OpenTechnical

OT-2026-000051031

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000051031) never changes.

Identity and time

Publication numberOT-2026-000051031 · never reused
Internal UUID01a0ae82-c7b5-7091-ae03-0e76c0698a32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051031
StatusPUBLIC

Content hashes

Canonical text8a31f54f709dd3f0e14ec7e317a6191251d8553a1fa4eb20a2fb107285fdb555
Markdown6442289fe9bfc9ce567507532e724caffae807d5986856c523bb15502b68dc8b
PDF
Publication pagea6f5523d9b05d0d30b9dbc5d7820a6fe71805531c87af5ade8b2f53d1badc204
Manifestdc65172b4a2cebd5719bbfff3b0976c2e770bb326ad558a39753824f2ec0d7de

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
Signature6EYXdtvRD+27mJ49Md8xmF5sFlND8Q/t5Rp+3O95E+HVOV10+G5rIoc4WqdlXuW7nT9dp6KnbdB+/NC8Xap6BA==
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

2026-09-17T11:00:56.366042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051031
observed a6f5523d9b05d0d30b9dbc5d7820a6fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:56.347738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051031/manifest.json
observed dc65172b4a2cebd5719bbfff3b0976c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:56.331144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051031/publication.md
observed 6442289fe9bfc9ce567507532e724caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:56.311918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051031/publication.txt
observed 8a31f54f709dd3f0e14ec7e317a61912...
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.