OpenTechnical

OT-2026-000076229

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000076229) never changes.

Identity and time

Publication numberOT-2026-000076229 · never reused
Internal UUID01a0ae94-6a6f-7355-86a3-401f76486e7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076229
StatusPUBLIC

Content hashes

Canonical textd504dea040410bcd540161bc5d723e5981a6fc08a78f4ed91f4af7917f72586e
Markdown418f2585835bcaf966f8cdc803421790f4aca9956006f3890d6b338f2fbe97f6
PDF
Publication pagecc9058e26072a5b0fa2d142cf30cbf6b9e28d69b880dea4729d80f3838b1eb64
Manifestf0fda864fe34bc39532e45cc84883c80fbc418f3aca2b4d0dbdd6d8113059163

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
SignatureJujGwjCQlYyQP+YfSWdX1CTjYyAIRd/+ZKRMxfK+QlWTd1UTdzktYRfZCDRpJjFmLUrGGJPP3BFx+kwpmzMGAw==
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

2026-09-17T10:11:39.777217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076229
observed cc9058e26072a5b0fa2d142cf30cbf6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:39.759250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076229/manifest.json
observed f0fda864fe34bc39532e45cc84883c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:39.740746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076229/publication.md
observed 418f2585835bcaf966f8cdc803421790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:39.717977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076229/publication.txt
observed d504dea040410bcd540161bc5d723e59...
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.