OpenTechnical

OT-2026-000064819

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000064819) never changes.

Identity and time

Publication numberOT-2026-000064819 · never reused
Internal UUID01a0ae8d-debb-770d-ba25-26a7c1535303 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064819
StatusPUBLIC

Content hashes

Canonical textf4c4f99abd646c16128a6facfe05a6ece1e2bbd3c19fc53214f065167cface09
Markdownca1b8bea90ac0305bc459eda55608ca8dc28b7afd59a68e54d2ada1f8725f7c3
PDF
Publication page8c8fa8394ca05b727caf4f574aa8092d22a5e0566eb90e7708865f601c7c4aae
Manifest50b0e1b27e683d0f3d767f669056bb76c4568a48eccfc656988a2fa7a169c7ee

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
Signatured+Kwnk9LCO4ta4Uz0burY4PDcy/yfudtjB+XtTJAjqmfadrhxd7Z3W/zdJrCOIhbjb9D9y2duiYNylMG9HfHDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:43.454953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064819
observed 8c8fa8394ca05b727caf4f574aa8092d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:43.436948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064819/manifest.json
observed 50b0e1b27e683d0f3d767f669056bb76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:43.420310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064819/publication.md
observed ca1b8bea90ac0305bc459eda55608ca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:43.403965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064819/publication.txt
observed f4c4f99abd646c16128a6facfe05a6ec...
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.