OpenTechnical

OT-2026-000009304

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented before 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-2026-000009304) never changes.

Identity and time

Publication numberOT-2026-000009304 · never reused
Internal UUID01a0ae6b-31ba-766b-9db2-1c9db8255cfb · 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-2026-000009304
StatusPUBLIC

Content hashes

Canonical text88fd323acedde9a0395311eb6d9bd154897453a59e2e71b61c9c32d8f156277c
Markdownced99815c31797bb4dd207f50eaa32861ae83858b5130e7c7452f5da0140065a
PDF
Publication pagec7d353a0a35de7da9cd28fa7973790a3e467f8b80f3a83f3c723aa4299e77ae1
Manifestac6b60f5e552ebaa1808310cdcbffb7ec112ed59e4e16f947b4854a9b5aa0b09

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
SignatureFCYEGPsfk40DJQM+TbbPvVMhKNCVz71Eur+fZ1ZyhuSmksrYj3HPPAxVjzf/W7MAWYTi69ROZVUfm8teypDvBw==
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

2026-09-17T12:18:04.714303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009304
observed c7d353a0a35de7da9cd28fa7973790a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:04.695917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009304/manifest.json
observed ac6b60f5e552ebaa1808310cdcbffb7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:04.677208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009304/publication.md
observed ced99815c31797bb4dd207f50eaa3286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:04.654285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009304/publication.txt
observed 88fd323acedde9a0395311eb6d9bd154...
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.