OpenTechnical

OT-2026-000009897

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, vented 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-2026-000009897) never changes.

Identity and time

Publication numberOT-2026-000009897 · never reused
Internal UUID01a0ae6b-cb78-733a-bb2d-b21fb438b3f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009897
StatusPUBLIC

Content hashes

Canonical text3df2176c0fcae488814611279c0d077c491874adf7c3927b4c2f7a08f044ec57
Markdownb9848f868e0b984e4d97ef30d236aa1b026418848c7d88ba1a1f798218386ed6
PDF
Publication page293a594eefbeb1fbdd24c745ba8a9e7743eda4d6865400ef8da87d05b6950cb1
Manifest978e6c1ed690bd016df255b49eb14bf4a1de9ab9e94e121cd804ff5354629218

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
SignatureOAV4t5HQR2c2TsI00/kWgJZTq11IXYYu+odHrYfgOVCm59A3caGvA0u6Z4xSB/LpHc6CeiH8crUJXsV6sz4bBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:54.588049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009897
observed 293a594eefbeb1fbdd24c745ba8a9e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.569828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009897/manifest.json
observed 978e6c1ed690bd016df255b49eb14bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.550002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009897/publication.md
observed b9848f868e0b984e4d97ef30d236aa1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.530932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009897/publication.txt
observed 3df2176c0fcae488814611279c0d077c...
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.