OpenTechnical

OT-2026-000027664

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000027664) never changes.

Identity and time

Publication numberOT-2026-000027664 · never reused
Internal UUID01a0ae72-6999-71de-b26e-baad7e439aaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027664
StatusPUBLIC

Content hashes

Canonical text3422940e75d0c6e3dccafbfd5f1a775aa3a7e072ad91b7d02046d064de73e884
Markdownef8c92ba91640a035ae81c30d1dff65750ee8d7d675e07c614edfc86e78d350a
PDF
Publication pagee54922dd98a1783d0e8d9d57c410511ba24e2e3fa2f24b5f94b4c5ed9c315589
Manifest4ea654683b947bd2ba1da730765d0a48f7f9850ecb75ba2b4740adbccc2296f5

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
SignatureHBtMNNmxZ/QiMlKkVh2zc3Z7Nq9pYXNNqFLzhSqWrAnorXFqZ6OENrGv8HR0zbQZIQUqnipgNIHeTQI5lTKqCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:11.908472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027664
observed e54922dd98a1783d0e8d9d57c410511b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.813179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027664/manifest.json
observed 4ea654683b947bd2ba1da730765d0a48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.795548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027664/publication.md
observed ef8c92ba91640a035ae81c30d1dff657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.778668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027664/publication.txt
observed 3422940e75d0c6e3dccafbfd5f1a775a...
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.