OpenTechnical

OT-2026-000046003

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000046003) never changes.

Identity and time

Publication numberOT-2026-000046003 · never reused
Internal UUID01a0ae7d-8f8a-7040-bd69-b4db71c90e1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046003
StatusPUBLIC

Content hashes

Canonical textcbc6689712612b9f582c5ba525dd58b6053d2fc833a06eed78c39f51e5ed239a
Markdown4b6f2d64d05f6f2519e54d3ce5f219c684e32a249f543e227d0fff8d38ebf330
PDF
Publication page4cee9e7ef564d37cbb0559be8bbe8bc427a34b85538800afe02b7921728e67a4
Manifestcb8646d87f28d5d7ee628683910a67605f3d7996130cc83ead6e3320363f18af

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
SignatureTJJ/rSTAYmgQ2TbFZ1nUsRRzD+IzuZLiC+Q80YqmENmvPPVy+uHJMEX+UbaJc/2nz+kTBJEX3I+s+s1B96vGAg==
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

2026-09-17T11:10:00.276828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046003
observed 4cee9e7ef564d37cbb0559be8bbe8bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.256744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046003/manifest.json
observed cb8646d87f28d5d7ee628683910a6760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.237349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046003/publication.md
observed 4b6f2d64d05f6f2519e54d3ce5f219c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.218168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046003/publication.txt
observed cbc6689712612b9f582c5ba525dd58b6...
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.