OpenTechnical

OT-2026-000039555

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000039555) never changes.

Identity and time

Publication numberOT-2026-000039555 · never reused
Internal UUID01a0ae78-d8d3-7f20-9517-722c098e8b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039555
StatusPUBLIC

Content hashes

Canonical textb6dc43735d3a48d48b70856142763f54955f22457d1055e9aeaf8693c26a4b40
Markdown48d176a4c75572018024540f020fdb5a73c7025b9c18a870cb8432a973893c9c
PDF
Publication page1851dca047b40460a7edd201a4cafbf502ce4491a8ec3e9818ac078d2eb0fd21
Manifestaf5883a022501fb698b8759984e89eb56479cb63a44dbf228eb2b59ff6ff9ffe

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
SignatureMB8M+2pCU0xMpUXGNSvZroyQPHEiz05kJYsN5DJRXRwlQaHeHYv8VF91fBS03j2KzJ3kShlf+y/2MQ/2pLZUCQ==
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

2026-09-17T11:19:42.593482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039555
observed 1851dca047b40460a7edd201a4cafbf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.577536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039555/manifest.json
observed af5883a022501fb698b8759984e89eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.559083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039555/publication.md
observed 48d176a4c75572018024540f020fdb5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.539977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039555/publication.txt
observed b6dc43735d3a48d48b70856142763f54...
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.