OpenTechnical

OT-2026-000057777

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000057777) never changes.

Identity and time

Publication numberOT-2026-000057777 · never reused
Internal UUID01a0ae88-6ed7-7503-ba48-8a6f6fa22c90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057777
StatusPUBLIC

Content hashes

Canonical texta03adef415a4cd11f8e5c589512618101c37e86dbf9c533f8f30c222a09fb98b
Markdown737e5a7b591df724e70139f7801c1d57db609130784bbc6d697465ced89fe23c
PDF
Publication page9af8eb5db4c1c23482eb90a306415adb85a6042e438a1245a424bb74167d1134
Manifeste4fd3b2bac2646e1df5bbfbd3fb4bb45d2d577f2f0aee324a9f368df643c462a

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
SignatureQhqnGrodXr6eBhfAhNtda4gC258hUfZymRjVVOZJdXuj6rDn4KSVyM6o1thaVHOQthUpKk9DvxWAZMwt2FItCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:19.767023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057777
observed 9af8eb5db4c1c23482eb90a306415adb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:19.748789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057777/manifest.json
observed e4fd3b2bac2646e1df5bbfbd3fb4bb45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:19.729148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057777/publication.md
observed 737e5a7b591df724e70139f7801c1d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:19.710582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057777/publication.txt
observed a03adef415a4cd11f8e5c58951261810...
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.