OpenTechnical

OT-2026-000012019

Publication integrity record

Foam pad vacuum gripper, two zone face, pump 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-2026-000012019) never changes.

Identity and time

Publication numberOT-2026-000012019 · never reused
Internal UUID01a0ae6d-1943-7353-ae1f-f456d17f188a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012019
StatusPUBLIC

Content hashes

Canonical text537d6cef522d2a54fb253747f75c09221020c9f1cf313beba242ed550c0611a2
Markdown6f12ebcc44f226710cf877ab2840ce87c477c0f933776c366141df0ea7998814
PDF
Publication pagea3ccab05938e822dd243cbdc681ae87f65089b0adc185c8eb02a2429d4338aef
Manifestf01e0370aa69ac7724a0e683c874a53362e0fda1bcc03c869d9caf0b152431af

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
SignatureNdWyrBiJVpUdvVuTZPk6vEDLi/P+0DEB4l29m6QHQAt69xVe0BUuAWtOtA7CZRheowCImww1Um1Oh/iFQYP9BA==
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

2026-09-17T12:12:53.329889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012019
observed a3ccab05938e822dd243cbdc681ae87f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.311668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012019/manifest.json
observed f01e0370aa69ac7724a0e683c874a533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.291124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012019/publication.md
observed 6f12ebcc44f226710cf877ab2840ce87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.271780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012019/publication.txt
observed 537d6cef522d2a54fb253747f75c0922...
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.