OpenTechnical

OT-2026-000011515

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pulsed blow-off before set-down, on a tool changer

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-2026-000011515) never changes.

Identity and time

Publication numberOT-2026-000011515 · never reused
Internal UUID01a0ae6c-88ff-729b-983c-0423453bcf14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011515
StatusPUBLIC

Content hashes

Canonical texte3b6970d0407c7c7152f586f97ec8c27e92e3316dae932e6401ab04b1cdafe53
Markdown64cd7c3e3e4d46a59e90dd5930ab78cdfbe7c3ff22db7f7a9c01eca3d37cb270
PDF
Publication pagec36e2f502d26084c568bf3abc86d1a9ccfeb6b1c564a7aa3d12dacd62e8c9faf
Manifest4da8b813e8473f554cd6335e31fd78a0cb249368fbbf8d227be2797d8cb23bb1

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
SignatureS+4/WfPXgtjJHfTnXQ7thTGvJWzkZKZYIYMY7F8Qo/t/SE5EZCOd3fxFpCI8mJiUGvzLe3nUk4fdInWZYcEEBw==
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

2026-09-17T12:13:17.908005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011515
observed c36e2f502d26084c568bf3abc86d1a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.889595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011515/manifest.json
observed 4da8b813e8473f554cd6335e31fd78a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.871342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011515/publication.md
observed 64cd7c3e3e4d46a59e90dd5930ab78cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.851941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011515/publication.txt
observed e3b6970d0407c7c7152f586f97ec8c27...
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.