OpenTechnical

OT-2026-000064845

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000064845) never changes.

Identity and time

Publication numberOT-2026-000064845 · never reused
Internal UUID01a0ae8d-debc-762e-9f4c-619f5285480b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064845
StatusPUBLIC

Content hashes

Canonical text2ec9a27053674ec0676a68bbd99b830ed0c628ab06196e84fee85aac452c5e99
Markdown9db7493009ed863dfd14038b344775ccdf9311558d8ff21d83ee2ad63897fb3d
PDF
Publication pageb58f473f7cf6ac063b86ff716c5f1340312b6c75a85ba8920ceaf91a5153b3f0
Manifest99802ef0d54be9a0d0c3b757a82c4d1c2d31829466540ae3625c1520c41a7310

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
SignatureRugpV217XYciUW1Orut2mdOILnNUgvJ48RRxnmp0IB69/a1OOrzW7NnjYALqAQn5yoyxNeaY44qGWnyS68jsBg==
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

2026-09-17T10:35:45.457856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064845
observed b58f473f7cf6ac063b86ff716c5f1340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:45.439849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064845/manifest.json
observed 99802ef0d54be9a0d0c3b757a82c4d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:45.421368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064845/publication.md
observed 9db7493009ed863dfd14038b344775cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:45.403468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064845/publication.txt
observed 2ec9a27053674ec0676a68bbd99b830e...
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.