OpenTechnical

OT-2026-000025073

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000025073) never changes.

Identity and time

Publication numberOT-2026-000025073 · never reused
Internal UUID01a0ae71-2729-7d96-a8a1-5e940ab63f5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025073
StatusPUBLIC

Content hashes

Canonical textc3eb0905b5495289c5af8ac29e6db7bfefd4fada5f1fc697258ac86777890058
Markdown3d76adbec95da1bf75cd63c765b33488cc6300b02677be53f81f1b36b31c7933
PDF
Publication pagec7cb94b6db903cdcedcf47996ea32a0ccbe930de5456a2986080d3202e5e2dcd
Manifest79c215fca8db8cf121c888f7d954cd331575826d01ab2b51aecbb8d63c0e7097

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
Signature7KxMUy06ZzyIfZnBgVzjcM42douF3vCN4IaA3lN9VCbMV61p6+aa26CF85WNRR4gfTqguvubHZNVFjsKdj5XCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:48:29.228050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025073
observed c7cb94b6db903cdcedcf47996ea32a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.210890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025073/manifest.json
observed 79c215fca8db8cf121c888f7d954cd33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.193359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025073/publication.md
observed 3d76adbec95da1bf75cd63c765b33488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.172695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025073/publication.txt
observed c3eb0905b5495289c5af8ac29e6db7bf...
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.