OpenTechnical

OT-2026-000043218

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, sustained blow-off after 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-2026-000043218) never changes.

Identity and time

Publication numberOT-2026-000043218 · never reused
Internal UUID01a0ae7b-327c-7210-bf58-c75772fdab80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043218
StatusPUBLIC

Content hashes

Canonical texte60ff74560742b41e85c204751c08395b011814ee6d372c39279542629235ef4
Markdownd0ffa5273db7ffa952bae41e76a49a39110402e08be89ee02edefcb1dfb3393f
PDF
Publication page5d9dd5bda4ff0e9315a69a8fb2202b4a21d08020db4deb344c03ddcf96d27f7b
Manifestdffb2a800bff9cff8271c769b1c78d599892252f7e0bbf7629d77aea5f78e19d

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
SignatureaMkAsifzKykX6EFxCIMLBj9yaqJp2j2HxA34vRCgSlioMCFYX6fSsz3DoDGs9yCvSe6s79ZoE+AO9fYDC3ktDA==
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

2026-09-17T11:13:40.983242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043218
observed 5d9dd5bda4ff0e9315a69a8fb2202b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:40.962721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043218/manifest.json
observed dffb2a800bff9cff8271c769b1c78d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:40.941188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043218/publication.md
observed d0ffa5273db7ffa952bae41e76a49a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:40.920325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043218/publication.txt
observed e60ff74560742b41e85c204751c08395...
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.