OpenTechnical

OT-2026-000012444

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000012444) never changes.

Identity and time

Publication numberOT-2026-000012444 · never reused
Internal UUID01a0ae6d-39f6-7910-983e-89ee48478ca0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012444
StatusPUBLIC

Content hashes

Canonical texta353014ba6ea4242a3bc64061da08a349d942ea4e08f6d6ebb32df0d66502cb7
Markdown3db07334c29c1525aac6dda5183b9b6e1d5e6eac446274ae6224d5edc7eb3503
PDF
Publication page2b05abba324975737c36d9c8e60e55c252837b9c50afc58426705e2738ebfeb5
Manifest8f3e03d4f344d1baf8f3960bfaf375f2dc6b5f83c2dd5da15f497d22d9f21f5b

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
SignatureTHcDZy0JnEyCzQaDn6nA6YjIVB51PkNePe7EELqk68cb+Lx225uPJxIXZ0rVMTBLcj+X6teDiSiqIWLl1yFJBA==
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

2026-09-17T12:11:56.813400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012444
observed 2b05abba324975737c36d9c8e60e55c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.793677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012444/manifest.json
observed 8f3e03d4f344d1baf8f3960bfaf375f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.774590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012444/publication.md
observed 3db07334c29c1525aac6dda5183b9b6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.757506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012444/publication.txt
observed a353014ba6ea4242a3bc64061da08a34...
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.