OpenTechnical

OT-2026-000076248

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000076248) never changes.

Identity and time

Publication numberOT-2026-000076248 · never reused
Internal UUID01a0ae94-6a6f-7a5a-9cfe-a0062bcec5da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076248
StatusPUBLIC

Content hashes

Canonical text0eb955596ddacc88cba7ed5ec9b28ca938d3ca29b1fde1d0b8c2e49567414ecf
Markdownd00cfbfa4f8a50f4a5d5d2f1883af4d4ef03336e3070f13cbfacbab3ba62bdd8
PDF
Publication page838186fff0d9500ebd50e1bc2cd3f711e2184f59c0db2b76ec07df0b76c18cf8
Manifest614c4707cdcf6e6acecf25f19b42798c4e88c9a443bf6a138a57fa4c4e88c0ca

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
SignatureOozRK4Myht7vnKpf2mREr83lUdGLGhiO5NkKXOEAZYBYasTiXps8SvF5iYEEYm6GynevkDKTHF++dE/Yxl7sDQ==
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

2026-09-17T10:11:46.046952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076248
observed 838186fff0d9500ebd50e1bc2cd3f711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:46.025775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076248/manifest.json
observed 614c4707cdcf6e6acecf25f19b42798c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:46.004495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076248/publication.md
observed d00cfbfa4f8a50f4a5d5d2f1883af4d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:45.983403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076248/publication.txt
observed 0eb955596ddacc88cba7ed5ec9b28ca9...
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.