OpenTechnical

OT-2026-000027443

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000027443) never changes.

Identity and time

Publication numberOT-2026-000027443 · never reused
Internal UUID01a0ae72-6998-788c-83e1-3c9d267c798d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027443
StatusPUBLIC

Content hashes

Canonical textd0fc752de450e9fa945b47585db76e07fabac8c423e0b8a92cda521386056a3e
Markdownf57fcf03f5df8d3b476a79a0d3e7d00f792ef93ccac9cae0baf811a323d037c7
PDF
Publication page65492c0b821b36a63182f7f08eb848abe16797e4390c3778a2745523a314ede3
Manifest68f12232c983e132a499d1cfe58762314719cd7bd77db506429805de898f6ed4

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
Signature9saW/gXrdIJQIiW+xfPAeNFf+bKWfMGyR4DtMFFdWEb8u0g0UPDinP3QLk2FJpbUJe5XobaNXi4S0MosP39pCw==
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

2026-09-17T11:42:53.785787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027443
observed 65492c0b821b36a63182f7f08eb848ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.766853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027443/manifest.json
observed 68f12232c983e132a499d1cfe5876231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.748210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027443/publication.md
observed f57fcf03f5df8d3b476a79a0d3e7d00f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.720368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027443/publication.txt
observed d0fc752de450e9fa945b47585db76e07...
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.