OpenTechnical

OT-2026-000047433

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000047433) never changes.

Identity and time

Publication numberOT-2026-000047433 · never reused
Internal UUID01a0ae7f-3e58-7848-a964-14f143898465 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047433
StatusPUBLIC

Content hashes

Canonical text73cde5a42e1f25c8e2acaf37f8dde38a58630ff4d5d1ef4473638eb1848a0d19
Markdownc87b4c1edd73c038081c946eb3121491bb9f5f85a25dc717bd08913ec6505a64
PDF
Publication page048d5f8a360e5661835ccb4c6bdabf9748c385437a10aefc0a8b8d6ddc6189d6
Manifest32f9c719330316e7cee59014bed13a187740c2c3ae567ce7b55efbd04fd25501

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
SignaturegLxqAnT2wJ5YXpZaatHF8B1JggAj+gHQTXIK1yNQN8oAwrE7bqLgZrGRdLu5Lw4nWjEFwvBfdtoeyteD4WrJAw==
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

2026-09-17T11:06:27.346703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047433
observed 048d5f8a360e5661835ccb4c6bdabf97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:27.328828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047433/manifest.json
observed 32f9c719330316e7cee59014bed13a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:27.311563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047433/publication.md
observed c87b4c1edd73c038081c946eb3121491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:27.293514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047433/publication.txt
observed 73cde5a42e1f25c8e2acaf37f8dde38a...
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.