OpenTechnical

OT-2026-000042415

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000042415) never changes.

Identity and time

Publication numberOT-2026-000042415 · never reused
Internal UUID01a0ae7a-5d75-750d-89ee-79c4cb2783d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042415
StatusPUBLIC

Content hashes

Canonical text93a41400c50a5dbbe939e9e7339f98977b758365fc8fc69965f9acd5cefcdd54
Markdowne3ebff9309e69dc7d070485d400562bd8c3fe92ec442402e7792660090215172
PDF
Publication pagee15f0bba8c04f67db4153d1fd16c4f46b1b956dc141b06fff1216c827ca99680
Manifest38e17f8c2768528658799feab2628aa1b5d4613eb2ee6b3b42584411e707a019

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
SignatureFwAzqTnmat+C9ZcR3TAHEhxBs2Bf5AAF5WcxrS9uLPQZ6o6MxBYn9IaEPK0lSFe9Vex7PlQb64C4TQVXiny8CQ==
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

2026-09-17T11:16:12.789930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042415
observed e15f0bba8c04f67db4153d1fd16c4f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.772465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042415/manifest.json
observed 38e17f8c2768528658799feab2628aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.756197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042415/publication.md
observed e3ebff9309e69dc7d070485d400562bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.739412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042415/publication.txt
observed 93a41400c50a5dbbe939e9e7339f9897...
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.