OpenTechnical

OT-2026-000020107

Publication integrity record

Foam pad vacuum gripper, four zone face, three 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-2026-000020107) never changes.

Identity and time

Publication numberOT-2026-000020107 · never reused
Internal UUID01a0ae6f-4378-7e5e-8c62-4671b1073102 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020107
StatusPUBLIC

Content hashes

Canonical text028117084e2791a7703accf402bd659c4676724055fc6f850207dadffe05a238
Markdown73a03fb64ac5c09ed3f9bc1802e86b34099b757816625a7edf2c936550aa0078
PDF
Publication paged6f9765df16e935e0571335a46cd938d75c5c48df9fa5cf7721758a8d54ce404
Manifesta654377480c61b8cc9c2ef87626ba13eecc36ddb3f1ed0b771cd07e8f758da6c

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
SignatureTEZB0GlEMDKVV1V/N9LFHvnzU7kEc+Kt9GOXM4RrxEgQ08o7IlTZ7f/VuqWLO0CMow9/e2mfqbQ3+0BX+uSpAA==
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

2026-09-17T11:56:24.283113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020107
observed d6f9765df16e935e0571335a46cd938d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.262786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020107/manifest.json
observed a654377480c61b8cc9c2ef87626ba13e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.243863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020107/publication.md
observed 73a03fb64ac5c09ed3f9bc1802e86b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.225871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020107/publication.txt
observed 028117084e2791a7703accf402bd659c...
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.