OpenTechnical

OT-2026-000071137

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000071137) never changes.

Identity and time

Publication numberOT-2026-000071137 · never reused
Internal UUID01a0ae91-e0eb-7c43-b84c-2c6cb5727b6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071137
StatusPUBLIC

Content hashes

Canonical textaca19e8fba5641b311ca2cf50e77c389d84acdae457a8759a28e60ffcf99117a
Markdowne51cc292c1f4f98fc9140cf59ed8f39491f9930a64abeaebb498e4f6b8675f88
PDF
Publication page0b7e613b55d307a4a68f985a96380af4a89d3488af2b18d3a96b718f7f82b849
Manifest78e7a5451ca5ea07d0a499b402d86d2f55966a934ecc804a97e398b93364f7ea

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
SignatureqX5wElkuVc8vEcdn31zl17ZQjTZ9zQbUb6R+jY5v5CASlwzztA0hd8vtO4+Pfsx4XgVAQT9aOiVsTiZh8izZCQ==
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

2026-09-17T10:24:38.298856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071137
observed 0b7e613b55d307a4a68f985a96380af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.277526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071137/manifest.json
observed 78e7a5451ca5ea07d0a499b402d86d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.258703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071137/publication.md
observed e51cc292c1f4f98fc9140cf59ed8f394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.240473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071137/publication.txt
observed aca19e8fba5641b311ca2cf50e77c389...
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.