OpenTechnical

OT-2026-000018599

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000018599) never changes.

Identity and time

Publication numberOT-2026-000018599 · never reused
Internal UUID01a0ae6e-b48b-743b-bd33-40055c374458 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018599
StatusPUBLIC

Content hashes

Canonical text03d542f5cb80c2f2ef5b06acaa43d11643fc7a8129f26e02a54c33918196e5ad
Markdownfd3501f18c5daaa0d1a8a371c4705a9f7337e39524c47c2c5f4e494ab173ebf2
PDF
Publication pagef299e050257dcdab22615d95759152474a50fe7ea65adcd2e92f32fa5159ef76
Manifest9a60b503f1ba7a2b82752add9f9710b1617f1a5dc82ada60565ba8b3d3ba1aec

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
SignatureOt48YKB/D/fb6jDar0ymvKalC550v/UVePMy5ChzXKqUEiht9cZV+KXqxDVKGeBDehkF06QxbItR5R0tAiOlAQ==
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

2026-09-17T12:01:24.240537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018599
observed f299e050257dcdab22615d9575915247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.223978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018599/manifest.json
observed 9a60b503f1ba7a2b82752add9f9710b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.208119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018599/publication.md
observed fd3501f18c5daaa0d1a8a371c4705a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.192149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018599/publication.txt
observed 03d542f5cb80c2f2ef5b06acaa43d116...
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.