OpenTechnical

OT-2026-000029701

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000029701) never changes.

Identity and time

Publication numberOT-2026-000029701 · never reused
Internal UUID01a0ae73-5e23-7aa0-907c-2708523181e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029701
StatusPUBLIC

Content hashes

Canonical textd984ef5bed21050baf9ab61e7302770f5b5715c092425feff699d103d5e26add
Markdown631314f439fee812b6115100254daae3176024254440344dc55bc1db59aee36d
PDF
Publication pageb9ff5e0644b9e546fe3fe66d4a523fab69b6413d022c20179d4c76abfa8b7a67
Manifestcfb42879f251608b657a54dab4d85dd6ef650903a2c76d3bae789aa931b0ca2d

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
SignaturePQDmvO1MRe4H2PceC48DRNqoCQOvtCzLHbU8O0oE6yijshMkAG4TnztvJQhzID4ejJ+hAaOxnbVITSOnpaOqDQ==
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

2026-09-17T11:39:24.641445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029701
observed b9ff5e0644b9e546fe3fe66d4a523fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.616527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029701/manifest.json
observed cfb42879f251608b657a54dab4d85dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.597988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029701/publication.md
observed 631314f439fee812b6115100254daae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.575553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029701/publication.txt
observed d984ef5bed21050baf9ab61e7302770f...
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.