OpenTechnical

OT-2026-000049903

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000049903) never changes.

Identity and time

Publication numberOT-2026-000049903 · never reused
Internal UUID01a0ae81-fd76-7cc9-b465-5889af0bc2f9 · 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-2026-000049903
StatusPUBLIC

Content hashes

Canonical text2ab840862adac20acc673d96729f0a0f8fb4ee94fc89fe29851c09272f51feef
Markdown2c4b311f72879dde029e0b03641e242763c42fae17326c5e1d0d3322ce17a44c
PDF
Publication page6a1aea202752ea97805f5b58d983040c7863557ee2017bed6785344904b2e39f
Manifest249a8f9280665a753a561290e3ab612c924b8ec8aad2610bb63569514d8c9c9b

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
SignatureIHK9X9+VFzDCVCa7IWxh5OpwxeAfiWM5tJHLudw29iY58TnJvuzd9rrVYhT0+SFQGF8ChhS6B9H50jvCWljTAg==
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

2026-09-17T11:01:49.437500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049903
observed 6a1aea202752ea97805f5b58d983040c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.419889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049903/manifest.json
observed 249a8f9280665a753a561290e3ab612c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.403315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049903/publication.md
observed 2c4b311f72879dde029e0b03641e2427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.383309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049903/publication.txt
observed 2ab840862adac20acc673d96729f0a0f...
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.