OpenTechnical

OT-2026-000019261

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000019261) never changes.

Identity and time

Publication numberOT-2026-000019261 · never reused
Internal UUID01a0ae6e-f392-7e9c-b789-7e07cb576cf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019261
StatusPUBLIC

Content hashes

Canonical textd7ec69574b00205fde000191799acadf7d831306643f033bd04725c840e5c074
Markdown25b32345a39901ebeff7ea1976d7ba3f149eb66e5014d37dc67f90d3a0716008
PDF
Publication page523d6c3347095b59944d74d0821d48f2a0be8f45e3b4cf7cea7f27eee19eba94
Manifest7f64b63c45dc462b7669f9d4ed92759374f27b507b023d67bcfc8eedcf86f35a

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
Signaturef4pFbkKZoDValLNO77lHOiZe2q2+95jnVhwt6ck+48+J864LkaZVpWMypgEh2FOFz8WfeMMg1UM4Rj5FpEvdDw==
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

2026-09-17T11:58:36.357945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019261
observed 523d6c3347095b59944d74d0821d48f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:36.341037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019261/manifest.json
observed 7f64b63c45dc462b7669f9d4ed927593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:36.324190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019261/publication.md
observed 25b32345a39901ebeff7ea1976d7ba3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:36.307038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019261/publication.txt
observed d7ec69574b00205fde000191799acadf...
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.