OpenTechnical

OT-2026-000017601

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000017601) never changes.

Identity and time

Publication numberOT-2026-000017601 · never reused
Internal UUID01a0ae6e-76ca-74b3-87fc-698d6f22b50b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017601
StatusPUBLIC

Content hashes

Canonical text54d8edaacfa8399518e05bf605d7e7cded2b492e85b44018b86dd1cff37bde7a
Markdown814bb78e73f15228b4f1d99139f973d9185dba544457c805757b86989e985929
PDF
Publication page012b495dd9247ccbc7403e447c1eae97d3cad5d753656041beb6ee88e016dc14
Manifest1d8175e10cfa1052fe7a5bde39682e96ca6e92e1ca1d62218c00f658e743111c

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
SignaturebLCtK0gK7haWri1EHPNTu8Qn4Weaw5wg8zauPxqoyBB53Pqd2T9tUslNrn5yU04KEPjLil7XJ6Qfz5aU7NXjAw==
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

2026-09-17T12:02:46.906914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017601
observed 012b495dd9247ccbc7403e447c1eae97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.886708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017601/manifest.json
observed 1d8175e10cfa1052fe7a5bde39682e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.867825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017601/publication.md
observed 814bb78e73f15228b4f1d99139f973d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.849602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017601/publication.txt
observed 54d8edaacfa8399518e05bf605d7e7cd...
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.