OpenTechnical

OT-2026-000029941

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000029941) never changes.

Identity and time

Publication numberOT-2026-000029941 · never reused
Internal UUID01a0ae73-ac48-7bcb-bc49-2bcaa5072f78 · 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-2026-000029941
StatusPUBLIC

Content hashes

Canonical textc194ef3f141745a237a6f2e01d6851ffc9acbb02a50587a24c1f68e268b994a0
Markdown8334b345e33acf0d2a002f91d90c0d03cd56f01d11b2ad3eaf739c8c14498310
PDF
Publication page8f26e76524cc5073b6b4b52813030879986369eed5d19d6ab94f4c9c90407df7
Manifest58f415ab0aefb150481a642ad83d7d9ff86e21da4a955dbec46921021216fd22

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
SignatureEurQyyNRu+sfDvy7xH2CX8UWUSIy/6pJnVEWV8YWEE3MyqS1IoqxWyyN/U/FgfJKThpjM7sU3gAONh5oeZIWCA==
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

2026-09-17T11:38:39.157900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029941
observed 8f26e76524cc5073b6b4b52813030879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.140332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029941/manifest.json
observed 58f415ab0aefb150481a642ad83d7d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.123954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029941/publication.md
observed 8334b345e33acf0d2a002f91d90c0d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.107599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029941/publication.txt
observed c194ef3f141745a237a6f2e01d6851ff...
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.