OpenTechnical

OT-2026-000008219

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000008219) never changes.

Identity and time

Publication numberOT-2026-000008219 · never reused
Internal UUID01a0ae6a-908d-752b-a512-3c65d5ae40fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008219
StatusPUBLIC

Content hashes

Canonical textc6bde84784ea921a6cd9c5066caa224a25331ddf38334c13d708a19033276bff
Markdown33f2bcaecf41c7df4d14ff48abe4d6f6a6b6aac44251b836c46451af88adf460
PDF
Publication page45bc899072142b3e7f5febba50f6451f32bee0541805f4df29e748abaef1e589
Manifest411a69cb366540553c1590298122fca6bbb4c45f4521e78f88cb3adea53ac6b7

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
SignatureEwxxBz5/yzWNl6HIUYDo+9HASEcqovgnJOskXhzb/pkXLRjHNx64sDpFv4Zjy8AwuGSPY/ZSDzUOtzHJqhZmBg==
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

2026-09-17T12:20:38.034206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008219
observed 45bc899072142b3e7f5febba50f6451f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.016880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008219/manifest.json
observed 411a69cb366540553c1590298122fca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.995291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008219/publication.md
observed 33f2bcaecf41c7df4d14ff48abe4d6f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.975432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008219/publication.txt
observed c6bde84784ea921a6cd9c5066caa224a...
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.