OpenTechnical

OT-2026-000013372

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000013372) never changes.

Identity and time

Publication numberOT-2026-000013372 · never reused
Internal UUID01a0ae6d-6fca-71ae-b908-7dacd5f4aa32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013372
StatusPUBLIC

Content hashes

Canonical text9d187c4ed8a13843fb86d344520d834ddac198e57cc2b2ecb117280f899475b4
Markdowndf63ce6a73676a0d5145affa82117ce4c3c985a3cfb083980afb9dee3fd7d54d
PDF
Publication page086d5e44b6bda683d577c427ccae3d989e30480df465ad1ed661035f722ac365
Manifestb5e0d16b404fb0f34bd91f0207c4aaab29d3865caed31edcb2500d26182ee3c5

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
Signature5kKxFAMXZS9IJgcHY4/WmKtCV7DbX6lwD5PnRyBpQV/sF4lbQmaZxWDK2OIxHHlUt6geO5GGIY3BJ4Z0eu5ACA==
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

2026-09-17T12:09:50.074297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013372
observed 086d5e44b6bda683d577c427ccae3d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.052253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013372/manifest.json
observed b5e0d16b404fb0f34bd91f0207c4aaab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.029286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013372/publication.md
observed df63ce6a73676a0d5145affa82117ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.006080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013372/publication.txt
observed 9d187c4ed8a13843fb86d344520d834d...
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.