OpenTechnical

OT-2026-000015713

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000015713) never changes.

Identity and time

Publication numberOT-2026-000015713 · never reused
Internal UUID01a0ae6e-0c4b-708d-a07c-abc657bb2815 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015713
StatusPUBLIC

Content hashes

Canonical text292c05e0d7fc5ba75c792bf5d36b0320435122aa633b1f5c7e024cea8e918716
Markdown7836ba7e5d03bd19e53847f3019fe2cf1b26e0a3ed97806827a3606b8690091b
PDF
Publication page070a8f3fb60ecc342d874d8a302077e8c042fd7d3b77d3b462d3f7c8c0aafda2
Manifestba68a44df45e28ca9fc2d31e71bf6098916550c03837fe1c1f3efb7a9a6f4fe7

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
Signaturejczgd12AcDDF0psPAk3unRPwGLjmG017o034UVgL+4jMG0bh3qcKLtJFpKzKmlIy87E6jtHV60yQBobD7FTVAA==
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

2026-09-17T12:04:59.673757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015713
observed 070a8f3fb60ecc342d874d8a302077e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.656543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015713/manifest.json
observed ba68a44df45e28ca9fc2d31e71bf6098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.638866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015713/publication.md
observed 7836ba7e5d03bd19e53847f3019fe2cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.617900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015713/publication.txt
observed 292c05e0d7fc5ba75c792bf5d36b0320...
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.