OpenTechnical

OT-2026-000039542

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039542) never changes.

Identity and time

Publication numberOT-2026-000039542 · never reused
Internal UUID01a0ae78-d8d3-776a-9645-810e97fecee6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039542
StatusPUBLIC

Content hashes

Canonical textc7c146ce237b1a7683b7d8a9deddf7d47fdcb18a0150535ed33542d329fef9a4
Markdown8f6795314e496a308b9dd0fdd51f30993fa3e314a4239abc4af934824f23c6d9
PDF
Publication page82349637fe3588f623f698beca66cca02ec67ca0563c04c12e216089116a4783
Manifest689a22828789b730ce836d8a241bba8d89837a8e0664a4633e2e55a495714ae0

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
Signatureo+ljoR79va9zrDFaQvC2s5cInJNkBeMN1GxAyompsCNbusyyNFb9hL3RNqgczPWGKJsU7aIT1yR6C52A5Wf2Cw==
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

2026-09-17T11:19:41.452150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039542
observed 82349637fe3588f623f698beca66cca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.434176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039542/manifest.json
observed 689a22828789b730ce836d8a241bba8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.416626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039542/publication.md
observed 8f6795314e496a308b9dd0fdd51f3099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.398151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039542/publication.txt
observed c7c146ce237b1a7683b7d8a9deddf7d4...
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.