OpenTechnical

OT-2026-000046151

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pressure sensor per zone, 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-2026-000046151) never changes.

Identity and time

Publication numberOT-2026-000046151 · never reused
Internal UUID01a0ae7e-032b-75e2-89a5-f670b184e0e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046151
StatusPUBLIC

Content hashes

Canonical text6b4be0d86b432e77c07b1aac41f78392d22a6d73b20e1f3a6981d30b2cd3ac76
Markdown6e4258fdac0825b91f44e94896fc8ce14e37152f61fd35e38e78b5ca7e273bd2
PDF
Publication pageebd79dcb3e9120adff1f7d64196c371017cf8a3bd1632af1441ddf650d16ffce
Manifest21592b8d979f38d80ad446f548487300ace97b0072f2478ee6e62d9ffd3df717

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
SignaturebfgEdLGzDa6AP9vgFbcT09Xo2ic0DJ3U3TybIQMCAj1juSDj/+Y1Chzz154XJ0ppOsLQIswDxEtQlg7EMEHcCQ==
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

2026-09-17T11:09:08.800707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046151
observed ebd79dcb3e9120adff1f7d64196c3710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:08.782023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046151/manifest.json
observed 21592b8d979f38d80ad446f548487300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:08.762719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046151/publication.md
observed 6e4258fdac0825b91f44e94896fc8ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:08.744283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046151/publication.txt
observed 6b4be0d86b432e77c07b1aac41f78392...
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.