OpenTechnical

OT-2026-000009649

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000009649) never changes.

Identity and time

Publication numberOT-2026-000009649 · never reused
Internal UUID01a0ae6b-7563-704d-ac06-1ebb265ad88c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009649
StatusPUBLIC

Content hashes

Canonical textd2fc7cd291d5de7a1668fcc5b28ed9e44395bb13830ca99849b7ff6eb90c7f6b
Markdown56fcd97565c2ffe7396cf6c12820a9aba1e999cf1be6fdf8cc68514bedf95b6d
PDF
Publication page5318a069d156a102f98cba3a054936f6b6e7d797a8dad5522147444477e4d166
Manifest3c9a4669610be19d11c1fd3ccd8a9ad06a72c176773d9c44e39d8b68e9937a4e

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
Signaturejb85LkyX25wnxYea7O86KJBAB/GvsN6I79/NI0adoMQXHVMApaEqhOxdJh597yq2W6JEociosGHOL3iv6bSxAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:06.909848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009649
observed 5318a069d156a102f98cba3a054936f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:06.890498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009649/manifest.json
observed 3c9a4669610be19d11c1fd3ccd8a9ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:06.871159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009649/publication.md
observed 56fcd97565c2ffe7396cf6c12820a9ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:06.852631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009649/publication.txt
observed d2fc7cd291d5de7a1668fcc5b28ed9e4...
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.