OpenTechnical

OT-2026-000039036

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000039036) never changes.

Identity and time

Publication numberOT-2026-000039036 · never reused
Internal UUID01a0ae78-9672-7239-9956-2f3b37a2bcaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039036
StatusPUBLIC

Content hashes

Canonical text5923b7cfd25ac1032c1001fe0e8de3b2cda56f2c81fbe6e514db459c4e222159
Markdowna57c2285d8d138ebc457704067a51b2b28bfd8e386a3ba094db3ece93c4343f8
PDF
Publication page2aa96b44fcbd4db97ecb652904e0ce294cf55f489fc01fa442ae888187dbf874
Manifest1ae326e24cacff69c0d3a6cc92db7aa45735dd2d4b19f5206dc107ff9deb5f82

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
SignatureelL7UKRweMLWjHMqNWR5n/jHs7wwUOOMQuoTvjHopyRSLClvJjPyoNGfGaXZTneDbhxwV2LzYwyJXykXtBuPDA==
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

2026-09-17T11:20:23.262720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039036
observed 2aa96b44fcbd4db97ecb652904e0ce29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.245647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039036/manifest.json
observed 1ae326e24cacff69c0d3a6cc92db7aa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.228717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039036/publication.md
observed a57c2285d8d138ebc457704067a51b2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.211153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039036/publication.txt
observed 5923b7cfd25ac1032c1001fe0e8de3b2...
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.