OpenTechnical

OT-2026-000066172

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000066172) never changes.

Identity and time

Publication numberOT-2026-000066172 · never reused
Internal UUID01a0ae8e-8dc3-78c3-9093-c3c45e6c5bce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066172
StatusPUBLIC

Content hashes

Canonical textaa80154b1f86903db80b3ed694d7d8b28c60db439e1df4f6cb1efe866d943214
Markdown0f257a15bf1dec4a057d3ee8580673eeabb58782472614191422055f38d7dbb4
PDF
Publication page706e9500cfaa0e773d4244ad67e7c128524b2372ada575a553ba9aa829c04a01
Manifeste75c6c875e14d310c584ffeab3e9cbb62d4898dc2dd834b7d65674e1bd623bbf

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
SignatureKsQc1TN87XdZSRTNy8sE7hE4geLpLaNBSO3qyZDtuFtxVWRpGSyzzFKSsXJEk3k8G5m4TWvqFsh5w0MKRKs7Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T08:51:07.818590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066172
observed 706e9500cfaa0e773d4244ad67e7c128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:07.799748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066172/manifest.json
observed e75c6c875e14d310c584ffeab3e9cbb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:07.779686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066172/publication.md
observed 0f257a15bf1dec4a057d3ee8580673ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:07.760837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066172/publication.txt
observed aa80154b1f86903db80b3ed694d7d8b2...
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.