OpenTechnical

OT-2026-000049930

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049930) never changes.

Identity and time

Publication numberOT-2026-000049930 · never reused
Internal UUID01a0ae81-fd76-7d30-9bce-23b4f3c4b243 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049930
StatusPUBLIC

Content hashes

Canonical text4e32528a582385b6332fff90c0129621250698e8b0fe6075fed25d7e158156a1
Markdown6daf1771a59ba7dd1ce34a46c672fdffca3b3addfbdd1265c24a60a0def7a81f
PDF
Publication paged0e71cca81d2bc142f835d3f889e58367864cb53412052665ad68c5cfc19ebcc
Manifest3e278c2043b2a7fd231d82796121ab91c826f93899b7f4aea30359048e437f57

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
SignatureixGVdajww9qiiwKknKRHvN5rCHX1s2DSzalhNyyvsZqvtqQKAE1ossdlVZGPHcDoyr4Z2KyMp739WNEYES/rBQ==
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

2026-09-17T11:01:51.676203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049930
observed d0e71cca81d2bc142f835d3f889e5836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.658102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049930/manifest.json
observed 3e278c2043b2a7fd231d82796121ab91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.637938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049930/publication.md
observed 6daf1771a59ba7dd1ce34a46c672fdff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.615867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049930/publication.txt
observed 4e32528a582385b6332fff90c0129621...
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.