OpenTechnical

OT-2026-000029909

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000029909) never changes.

Identity and time

Publication numberOT-2026-000029909 · never reused
Internal UUID01a0ae73-ac48-75e9-a449-d33b0b797c06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029909
StatusPUBLIC

Content hashes

Canonical textf04c3733d02dbc9376b31e22b8c828b6051243c71e380d8b5c891e12b732eb74
Markdown1528fcbb59284832ff6e59ea1629ac1ccdd29da243ab1f6b870db629121c577f
PDF
Publication page04602e08256494899fd4c69b11b3b2321caaf3ad150c3f9820604c10cda4ec59
Manifest95ea2f3d965a8a0114c80961576c54525f66433485cb9b47ac30ddaeec26256d

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
Signature5adxIPXCZy3QIuMbhWNHa3yUiCi62KVt0BTOcm0XeY0lZ7nj/7x7IqLDtmjP/ppjtEIHaHypSmHvD9LaZp8XDg==
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

2026-09-17T11:38:36.749773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029909
observed 04602e08256494899fd4c69b11b3b232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.728377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029909/manifest.json
observed 95ea2f3d965a8a0114c80961576c5452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.711080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029909/publication.md
observed 1528fcbb59284832ff6e59ea1629ac1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.692758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029909/publication.txt
observed f04c3733d02dbc9376b31e22b8c828b6...
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.