OpenTechnical

OT-2026-000009558

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, vented after 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-2026-000009558) never changes.

Identity and time

Publication numberOT-2026-000009558 · never reused
Internal UUID01a0ae6b-7563-74da-9833-d5acaa1207cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009558
StatusPUBLIC

Content hashes

Canonical textebbd4c238944e69232c8d04fb6ec6a1c3bc86f92417278b507172f105e2be1ba
Markdowna389812ca28265f3ab28e739636e554b6db9d979015c70067da79673934288c2
PDF
Publication page3268bbe11eefa1e950c0518cb59f348ea684ca0f145b8d604fb87b4abb876e78
Manifeste99d512211fb46afc2727fd591731f3ac31b4e7f74db73f0d85b9cb5ea8fef25

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
SignatureZcrfdGDBGithv3JxfosNVVAQpMjh+NLso9LLzcpx5YEARVS2HZcwBbXXAQl6fS5M9/5MirBRV41zkKqJn7tUBA==
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

2026-09-17T12:16:59.283925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009558
observed 3268bbe11eefa1e950c0518cb59f348e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:59.264092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009558/manifest.json
observed e99d512211fb46afc2727fd591731f3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:59.244646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009558/publication.md
observed a389812ca28265f3ab28e739636e554b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:59.223648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009558/publication.txt
observed ebbd4c238944e69232c8d04fb6ec6a1c...
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.