OpenTechnical

OT-2026-000009035

Publication integrity record

Single cup vacuum gripper, common isolation valve, 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-2026-000009035) never changes.

Identity and time

Publication numberOT-2026-000009035 · never reused
Internal UUID01a0ae6b-31b8-703a-9e84-f7c2776bc7f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009035
StatusPUBLIC

Content hashes

Canonical text607cef723549a496029150198f33c706d37ac2fc3e363f28f6a1e049ceaf45bc
Markdownb6f0b743c4e9de04d775b610da7a76a1cd86e07792834ea4e4694752c563b3a8
PDF
Publication page80400f9bbf1c5139ab993ffe696a5a74a7e41caf5744a5cd8b60b7cf3674f694
Manifest6b70e5ef57928e9d8021e8248583ca2ff46ca3138c979b39bea34dc84577d245

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
Signature7DjrRPogVy0jZL++1r8jugkoi0nLctXNQn5AlgqQS34ubwnoUYZ+5Ic0NpCHUXIbBYDx89qqPMjzwBLzrJPYCg==
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

2026-09-17T12:17:40.884426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009035
observed 80400f9bbf1c5139ab993ffe696a5a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:40.864854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009035/manifest.json
observed 6b70e5ef57928e9d8021e8248583ca2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:40.845470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009035/publication.md
observed b6f0b743c4e9de04d775b610da7a76a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:40.823787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009035/publication.txt
observed 607cef723549a496029150198f33c706...
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.