OpenTechnical

OT-2026-000017703

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000017703) never changes.

Identity and time

Publication numberOT-2026-000017703 · never reused
Internal UUID01a0ae6e-96fa-7ad5-af07-fb1817c23073 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017703
StatusPUBLIC

Content hashes

Canonical textc06d00d0b8895073696d1e1e50f77b0857a64e3a4e53c550793704bf9b74f032
Markdownd73e6215ff8b0699750ac323583976568ea294d41d21affa227d9667a2acb8af
PDF
Publication pageba52ea4f4835777ac53a2f78eea37dfc23f94a278df07a25e60d60b8e5544a9b
Manifestb0335971369178f359f3b7539e69253b351c1a446b0888f5f85c8b51f9bb3e31

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
SignaturepfhrP9sT1L8qdh4dju4EzV03LdRlbXFlgWLHnTpo3GVy93HnhvEk67SxuI4H7kAPMfgsMIQ2O19deoAIEus/Cw==
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

2026-09-17T12:01:39.299894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017703
observed ba52ea4f4835777ac53a2f78eea37dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.284820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017703/manifest.json
observed b0335971369178f359f3b7539e69253b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.269130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017703/publication.md
observed d73e6215ff8b0699750ac32358397656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.253282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017703/publication.txt
observed c06d00d0b8895073696d1e1e50f77b08...
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.