OpenTechnical

OT-2026-000013479

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000013479) never changes.

Identity and time

Publication numberOT-2026-000013479 · never reused
Internal UUID01a0ae6d-6fca-773a-a2c1-6ccf7496cb59 · 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-2026-000013479
StatusPUBLIC

Content hashes

Canonical text8a3d58663e744c33950def9c6ac977c51cb8d3f9ab857e3927150aeb19baaead
Markdown29a85f2d9cdcbfd01a90318321b13b80ec780440c3fd6eafd072b27970a05005
PDF
Publication pagefb165dccbf96bd66fcb1b184ce7b0e0eeb7c537188659daf075fd1993747450e
Manifestd24ae127aed51cd2eb94820a6ff861b5c04e6afa17bf3c8a96be86e99fe986ee

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
Signatureb0v9VWYXLP//B6V/3/Eg13qsw4kkKF+H/hSdxjsSCaopZAwNgU9fJG1pY+BdYAKBKv5zD/J3ZTuRQUwcBuPBAA==
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

2026-09-17T12:09:58.867665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013479
observed fb165dccbf96bd66fcb1b184ce7b0e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.846984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013479/manifest.json
observed d24ae127aed51cd2eb94820a6ff861b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.824082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013479/publication.md
observed 29a85f2d9cdcbfd01a90318321b13b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.804975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013479/publication.txt
observed 8a3d58663e744c33950def9c6ac977c5...
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.