OpenTechnical

OT-2026-000052719

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000052719) never changes.

Identity and time

Publication numberOT-2026-000052719 · never reused
Internal UUID01a0ae84-a42d-7478-a448-c5f317317b04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052719
StatusPUBLIC

Content hashes

Canonical text38c414d35a45d76a879416217917637153eed07c8f3de30ab1a4099c859da084
Markdowne2d4ead4820b52537f0c793ab1ef8e2426b81791a4388acb676b9dc49b549a99
PDF
Publication pagec36469fcbaf16c9661d334d40860ff0f8c6d2344c0f47de75feeca046f32a21d
Manifest3b9eb8adf11788e3e939fd7dc35966f08b815cfafe5130cb8a1150185adca333

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
SignaturecB7xv15PScmJ/kvdA7pm1K5+1iyeHBin/k+H/VriNG9hS8ei5aYjD9u6CTrBdCPdtdyGQFpoKNLpjD4xMoBODA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:42.594966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052719
observed c36469fcbaf16c9661d334d40860ff0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.575423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052719/manifest.json
observed 3b9eb8adf11788e3e939fd7dc35966f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.558024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052719/publication.md
observed e2d4ead4820b52537f0c793ab1ef8e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.539470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052719/publication.txt
observed 38c414d35a45d76a8794162179176371...
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.