OpenTechnical

OT-2026-000030279

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000030279) never changes.

Identity and time

Publication numberOT-2026-000030279 · never reused
Internal UUID01a0ae73-e500-77db-bfe7-5bb9d58528ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030279
StatusPUBLIC

Content hashes

Canonical textc0f841a121532da4db34321a4288e4b77606fb0afd4505145f460ef17e2c91ea
Markdown256363e1bc4a51584cbfddc28d9c8e56a26e546b10ed2c72a6d4375f45952a2b
PDF
Publication page0e07bfdf57bae1aa974713308623bd6ff9f02f1ea80a5bc825cf7f84aa47965c
Manifest30c6aadc242cf49f8154bb0650037093ff5858cae835ce157e93e46d20873071

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
SignatureOZI8WrX4fiAH+mVZgh21Jkp79IQ7eUXAPlP0RXKMnRr1zEl7ESWIsJ2H6LroSL6BmgMVk1MczJwJapLHSXwNDw==
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

2026-09-17T11:40:46.872658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030279
observed 0e07bfdf57bae1aa974713308623bd6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.853585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030279/manifest.json
observed 30c6aadc242cf49f8154bb0650037093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.834834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030279/publication.md
observed 256363e1bc4a51584cbfddc28d9c8e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.816881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030279/publication.txt
observed c0f841a121532da4db34321a4288e4b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.771723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030279
observed 0e07bfdf57bae1aa974713308623bd6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.752517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030279/manifest.json
observed 30c6aadc242cf49f8154bb0650037093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.733467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030279/publication.md
observed 256363e1bc4a51584cbfddc28d9c8e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.715890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030279/publication.txt
observed c0f841a121532da4db34321a4288e4b7...
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.