OpenTechnical

OT-2026-000025227

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000025227) never changes.

Identity and time

Publication numberOT-2026-000025227 · never reused
Internal UUID01a0ae71-5fa6-7dc5-ba65-dcdc98b2f61a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025227
StatusPUBLIC

Content hashes

Canonical texta18853c56c8554c0bcd89403e7217d1740ef54e8014d831d55d84c2560f1abdf
Markdownab2a6fa2341a869ee279f4a996a64f840c3a7d887e6482cf854fd23dbd101650
PDF
Publication pagec453fcdcaa6e2db8b1dbc0478d539c32cc13e0f311f059dbbdea1d5182c8c77f
Manifest4b7cd9ecf72544c009bfb984c20701b040a58079067101803f7cab563bff241f

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
Signature5qhjKhAcOSChV8vjOJQy4XNIWj7+tfGSLlK+LJJapsYLvltHwbx5dpLXa78Jg43h8C9BQIRAPg9DB3ZiQvErCA==
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

2026-09-17T11:47:14.002526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025227
observed c453fcdcaa6e2db8b1dbc0478d539c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.986491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025227/manifest.json
observed 4b7cd9ecf72544c009bfb984c20701b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.970268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025227/publication.md
observed ab2a6fa2341a869ee279f4a996a64f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.953123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025227/publication.txt
observed a18853c56c8554c0bcd89403e7217d17...
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.