OpenTechnical

OT-2026-000048599

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000048599) never changes.

Identity and time

Publication numberOT-2026-000048599 · never reused
Internal UUID01a0ae80-4de8-7151-93f0-b8f5ef2b1a81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048599
StatusPUBLIC

Content hashes

Canonical textc11267cc692000dde8b2f3669750a89083c533b5674d2ef3bce155beff8d0183
Markdown3757570544d79cc6d97d6562b92ae1b060eb68081b3d04e57c364f607dde6a11
PDF
Publication page6bdfef062d99d403b034e2315a5d9d0e12bf4074f6995f2aa654894e5f6e5793
Manifest334ceaf84233833c010a069a997a8e48ed1b2a025232b3f99b03002bf7bbb5f4

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
SignaturePrbCmNeQzXWfVI4qkjohnWmkJGlwdoSyJ8YhaToIfihOoq3byQn00evDM0qvONitI+Zn2dUTc0pebyL6Cus4Bg==
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

2026-09-17T11:05:24.702622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048599
observed 6bdfef062d99d403b034e2315a5d9d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.683035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048599/manifest.json
observed 334ceaf84233833c010a069a997a8e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.663263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048599/publication.md
observed 3757570544d79cc6d97d6562b92ae1b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.640109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048599/publication.txt
observed c11267cc692000dde8b2f3669750a890...
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.