OpenTechnical

OT-2026-000012727

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000012727) never changes.

Identity and time

Publication numberOT-2026-000012727 · never reused
Internal UUID01a0ae6d-5562-756a-9648-1cd3df5071e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012727
StatusPUBLIC

Content hashes

Canonical texted0777212b62ed49886f19427c9fff013109d9337f2bf11c9d3b39b3c1d694f4
Markdown1489043b1646e7c2190dc1b2faad7213ef470556e727e9af861c0338ee517af3
PDF
Publication pagec34cb108110d074007cc612876d4f24eabd33f8a532f9466ad123fc1c87dd263
Manifest03a7a54e8a387b80e501fe6d3085819572dd35d579fb98e52eaf3e7ab61ee32e

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
SignatureGga+XFsz54AAfVAaYl9+Z0gOAerhGkWAscLgBsJ97BruWaheosZVLvnT8srCrA7yoaQF5m2scTQ/qhUUmnTsAA==
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

2026-09-17T12:10:23.727611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012727
observed c34cb108110d074007cc612876d4f24e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.705811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012727/manifest.json
observed 03a7a54e8a387b80e501fe6d30858195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.682033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012727/publication.md
observed 1489043b1646e7c2190dc1b2faad7213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.657564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012727/publication.txt
observed ed0777212b62ed49886f19427c9fff01...
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.