OpenTechnical

OT-2026-000033203

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000033203) never changes.

Identity and time

Publication numberOT-2026-000033203 · never reused
Internal UUID01a0ae75-4844-7b1c-9c5a-bef1e462e423 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033203
StatusPUBLIC

Content hashes

Canonical text7e3a5f5ba711357e3e5167be9ce401806b62dc33ad3bed67deae13f5adedee7c
Markdownab8ba512eb131b23d0fb249d10e29db734d5700df4c6d1393b2b5d97f1b5c925
PDF
Publication page79b698f79ecb3adcc2d85155c593f884aa080dd1f861668234578aaf7eda9275
Manifest5d1110b30853027cbc97a0de0f118f7c723992c1207ee497e7d7556c022b9443

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
SignatureRabQRjXeC83/KBqzrmpGujIj6OAE9Z+R4tuuWEFkc9OXAr4xDkJ/5BrnglduDca7J5n7YLK08HY2RzJG2725Dw==
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

2026-09-17T11:32:54.146587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033203
observed 79b698f79ecb3adcc2d85155c593f884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.129602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033203/manifest.json
observed 5d1110b30853027cbc97a0de0f118f7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.107655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033203/publication.md
observed ab8ba512eb131b23d0fb249d10e29db7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.085222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033203/publication.txt
observed 7e3a5f5ba711357e3e5167be9ce40180...
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.