OpenTechnical

OT-2026-000064705

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000064705) never changes.

Identity and time

Publication numberOT-2026-000064705 · never reused
Internal UUID01a0ae8d-deb9-7c83-8a37-600a69e881c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064705
StatusPUBLIC

Content hashes

Canonical text3eb44ac30e9e72c9edc69bad84dbfdbc572031cd749bdf8f87d92a21d65f013c
Markdown37c34c36da5a325e3c3ab635e26a80d692331ce18310694eea63e5f8549b2d43
PDF
Publication page241e470dc5fba95954af6a16c2db3b386ab423b682da15f5c615c27e9b513baf
Manifestf6c75fab09801f4759654559f31d2720ce2af4e43ef8b49cdc7d717169dcc74d

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
SignatureY17sqCeY4E85n7vb0vZS9ezsDtB1SYmT/e+Lef8TnNPBAnaHfY+UH5EwT70esmGQseecfM6z4/wJ7BKLVgD9AQ==
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

2026-09-17T10:35:34.552829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064705
observed 241e470dc5fba95954af6a16c2db3b38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.536889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064705/manifest.json
observed f6c75fab09801f4759654559f31d2720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.520053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064705/publication.md
observed 37c34c36da5a325e3c3ab635e26a80d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.503033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064705/publication.txt
observed 3eb44ac30e9e72c9edc69bad84dbfdbc...
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.