OpenTechnical

OT-2026-000063569

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000063569) never changes.

Identity and time

Publication numberOT-2026-000063569 · never reused
Internal UUID01a0ae8c-f945-7f5c-8d4b-6825de7e3fd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063569
StatusPUBLIC

Content hashes

Canonical text8496c59bb3c15163fcf74463a33e1e44bc4ce164193696fd31264f0d8ff1f8bd
Markdown3b4dbcd101ac1e839fd7fd4ff8496bfda3b737f10d75d63b8c0446d51941b162
PDF
Publication page2457665c6cfa67e2eb6cdb8e2a7b3fa313ad4b8fd884a65fdce5c5e500d4712a
Manifest4b7ddbaf02a43c74d316355762eef59671324c621b265d4cfc6f869adb3a7e95

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
SignaturewLwHWX9K9KA9zQ6ykZ06hD14p542SjAwi464F+UUEfRnh5eBOrwzj0DAmYzeJD5Pla81E5JwOQrnOo+uqTifAQ==
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

2026-09-17T10:37:34.746359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063569
observed 2457665c6cfa67e2eb6cdb8e2a7b3fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:34.724763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063569/manifest.json
observed 4b7ddbaf02a43c74d316355762eef596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:34.705894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063569/publication.md
observed 3b4dbcd101ac1e839fd7fd4ff8496bfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:34.684693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063569/publication.txt
observed 8496c59bb3c15163fcf74463a33e1e44...
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.