OpenTechnical

OT-2026-000027805

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000027805) never changes.

Identity and time

Publication numberOT-2026-000027805 · never reused
Internal UUID01a0ae72-a4a5-70fa-8896-25cd15cc1936 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027805
StatusPUBLIC

Content hashes

Canonical text91f6aeb55c05e458e79d493a422a66f4ee855181475bd33b1173fa7d84d88415
Markdown52dcf9e303604c5fa422389015f479dc6fd963579a66ef758d334130be8ad0ca
PDF
Publication page8d81dcbadf0bcb26d5a541623ddf86eece811c8d19bd3e6ca853d32866b52504
Manifestc2c97637fd08f77a6ad4f3aeb7a0e0eadeb430eb63c45a513f2dfc6498d8e37d

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
SignaturefVP6ITpQCy6qXEoL0AN9doLuAcnLULHnUapgNS40uvmR6ycp2pwYhxY4v6e9XA2nteLOab44mcbiMwKSqGxzCA==
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

2026-09-17T11:41:51.319780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027805
observed 8d81dcbadf0bcb26d5a541623ddf86ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.300878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027805/manifest.json
observed c2c97637fd08f77a6ad4f3aeb7a0e0ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.277516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027805/publication.md
observed 52dcf9e303604c5fa422389015f479dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.256907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027805/publication.txt
observed 91f6aeb55c05e458e79d493a422a66f4...
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.