OpenTechnical

OT-2026-000015012

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000015012) never changes.

Identity and time

Publication numberOT-2026-000015012 · never reused
Internal UUID01a0ae6d-d096-7c53-bd85-ac5e73e55e06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015012
StatusPUBLIC

Content hashes

Canonical text5bfd5412a91ee65c52eec0444daa6d521bf6c68136a4013f032b437c06041860
Markdown69f6b801006d14ce598f00aba20646d0eda44037f719e1da56cbe473210ea0d6
PDF
Publication page4302943c41415b518e1d0c21071e1c22e099678ac7cd6783f2527abda6239993
Manifest90b4fdd3b42c6f2af51eae14a47c5270b8ee1ccdf1a78ff50767db7818bb109a

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
Signature4JmNvxhpHW+JiFlsmAm3jJvMwL7xRVZhJgoQOTvYc3nRE/DjcNqMJFCACzsZ9MiRYzGXRQSfGODyUx7RcKjTDA==
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

2026-09-17T12:06:58.932967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015012
observed 4302943c41415b518e1d0c21071e1c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.913884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015012/manifest.json
observed 90b4fdd3b42c6f2af51eae14a47c5270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.894988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015012/publication.md
observed 69f6b801006d14ce598f00aba20646d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.875938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015012/publication.txt
observed 5bfd5412a91ee65c52eec0444daa6d52...
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.