OpenTechnical

OT-2026-000063225

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000063225) never changes.

Identity and time

Publication numberOT-2026-000063225 · never reused
Internal UUID01a0ae8c-94ab-7c14-8553-763ae7c83068 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063225
StatusPUBLIC

Content hashes

Canonical text503fac951631de39beafb70ccdc7835ac1595db3936d991add984ce755360937
Markdown8a6ba43f3a03a7ebde4ab39b62c14be757c06bfe1c7dcc1ea35b1ceaf4aace7e
PDF
Publication page23acb53c5ef97f51087126a1e3ef032c99ce5bc3991de30c82e37c78edda7f11
Manifest3d194f34810d6fe5cf4a5521b3e783d4ec2b5a78365155df17818d714a48f37a

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
Signaturepin1OruW429cRwGRdkK7MoziJxsjpF9EBa4FREijSWvgw+MXd0d8iHyhaRQZlQNDo3X/NnvGoNMkrVkm/QrPAg==
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

2026-09-17T10:39:06.198838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063225
observed 23acb53c5ef97f51087126a1e3ef032c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.180627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063225/manifest.json
observed 3d194f34810d6fe5cf4a5521b3e783d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.163542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063225/publication.md
observed 8a6ba43f3a03a7ebde4ab39b62c14be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.145574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063225/publication.txt
observed 503fac951631de39beafb70ccdc7835a...
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.