OpenTechnical

OT-2026-000064407

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000064407) never changes.

Identity and time

Publication numberOT-2026-000064407 · never reused
Internal UUID01a0ae8d-a461-71b7-b9f1-a230946c5817 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064407
StatusPUBLIC

Content hashes

Canonical text2093dba74468633c96e9e4cfda2bc9a6487f2ff9fdb33c58240892980ea5afb2
Markdown3d44501afb2ec379b1d5c721f4db683dfade0bbea6d8c0a4a779913b691b181b
PDF
Publication page641951c1edace8a74613090f394491d4d0f61995f7bfdb371ccf4fa236e70380
Manifeste08e38bac464569a42f9cb24fa472eb29650fac04bf9d2d1fe65cdd4ce76a5b6

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
SignatureF5mZajhoQGw4gDN/IdVxBFjBWifQ3gtQMKcoxjziKA1TddqH08b3YE50iDBa9FzJ+9OTUz5iGemmVc19gtxJBg==
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

2026-09-17T10:36:35.085532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064407
observed 641951c1edace8a74613090f394491d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.068994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064407/manifest.json
observed e08e38bac464569a42f9cb24fa472eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.052607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064407/publication.md
observed 3d44501afb2ec379b1d5c721f4db683d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.036516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064407/publication.txt
observed 2093dba74468633c96e9e4cfda2bc9a6...
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.