OpenTechnical

OT-2026-000072722

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000072722) never changes.

Identity and time

Publication numberOT-2026-000072722 · never reused
Internal UUID01a0ae92-89d9-7c44-959e-43b5b5daa18b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072722
StatusPUBLIC

Content hashes

Canonical text68ab773706271a6039fa64ee77d489b50503bcf5231360fbcced4feec580e7d8
Markdownaa8a3ac7195a4d78c167b4172d6abb98074008b46bc714e221121dd572b62e05
PDF
Publication page80ce8fd17a75b92d2a9e5431d46323b6dafb0dcda685e73ac46a5323cc94f31c
Manifest739034ef77fd9ab1b19f960c834035fc065c3f79985f96df8d8ba82cdb79594f

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
SignatureGxh/2Dcy027mIcDXwnW/JhjxcPD7ryHQwncPk9LgJlfC9T2BB5cEJASPFw3hEbuNFNgJTdrP5qulfrWngwgSCw==
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

2026-09-17T10:22:37.188806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072722
observed 80ce8fd17a75b92d2a9e5431d46323b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.171898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072722/manifest.json
observed 739034ef77fd9ab1b19f960c834035fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.154594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072722/publication.md
observed aa8a3ac7195a4d78c167b4172d6abb98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.137891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072722/publication.txt
observed 68ab773706271a6039fa64ee77d489b5...
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.