OpenTechnical

OT-2026-000013287

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000013287) never changes.

Identity and time

Publication numberOT-2026-000013287 · never reused
Internal UUID01a0ae6d-6fc9-72cc-a067-0a46d2b317cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013287
StatusPUBLIC

Content hashes

Canonical text9df4c41a2c9f7698b1e733f85bc631aa925366d59ce2f1a57a95921072ec0068
Markdowndb15ce0fece028a724d889dd0e0baeb5e6199ee94ec33ec223e0f86de3335c1a
PDF
Publication paged1cae57faca4e6eed59a273b35ea440cfc8551bec841e01f9ddced294783bcce
Manifest71824c0224ead5726968d76afd7360577294bced38eea96ff7248b3a16a8f728

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
SignatureKDlNJeF4J79C9DGly8RZBAUjJr2LUR4DMDVZ50Af2r2McZ3Kp1UBrm459mnRMaRhTmZfX2dvc725eglMGruwCQ==
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

2026-09-17T12:09:42.529471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013287
observed d1cae57faca4e6eed59a273b35ea440c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.508824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013287/manifest.json
observed 71824c0224ead5726968d76afd736057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.488514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013287/publication.md
observed db15ce0fece028a724d889dd0e0baeb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.469197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013287/publication.txt
observed 9df4c41a2c9f7698b1e733f85bc631aa...
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.