OpenTechnical

OT-2026-000050694

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, vented 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-2026-000050694) never changes.

Identity and time

Publication numberOT-2026-000050694 · never reused
Internal UUID01a0ae82-c7b0-796d-8c3e-09d24fa4dc12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050694
StatusPUBLIC

Content hashes

Canonical texte4d3303057193a0da4a8acc198808b540d02ee9776b82a3dcfa574f7416354bc
Markdown001677b9443b59e10d28df9a8b47b97c4134dfebdbd88a1b63404811ab851a31
PDF
Publication pageacef162814c0211be2566b2c49432a1ca6a21d2e28a2d343a0699e40403ff724
Manifest631c0d8805e904612a7c50389ac2f7bd5ffe5ba1c411be52c647362ae8fa5ea8

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
SignatureSpogRS+74qr/QmTYshLo70AO+m/gm/FpGVjgxW7Q4E3UB6JG/A9Hp1azkbwd+sM5K+G+FmUS+BCa3SlFaloyDw==
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

2026-09-17T10:59:24.434690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050694
observed acef162814c0211be2566b2c49432a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.416436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050694/manifest.json
observed 631c0d8805e904612a7c50389ac2f7bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.397904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050694/publication.md
observed 001677b9443b59e10d28df9a8b47b97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.378047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050694/publication.txt
observed e4d3303057193a0da4a8acc198808b54...
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.