OpenTechnical

OT-2026-000048220

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048220) never changes.

Identity and time

Publication numberOT-2026-000048220 · never reused
Internal UUID01a0ae80-4de2-7d82-97f4-eff4adba88b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048220
StatusPUBLIC

Content hashes

Canonical text026d114b8b49b39c223f35c44ee475327522b920ac8d02e4c601ea92463dd25f
Markdown39c02317e81f460a1d9917d2084d43cf50fb5ea1546f2997ae195d83a0b82df5
PDF
Publication page0aef4d22615d86df1ba9d9919e8f24119b0416876f15f2b14b97744cf33a9230
Manifesta877c50e40b1638467feeb9273cd8c10c2b0ef48c21ec2263c5956b9d5b93244

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
SignaturenGYa5F9YMOkZ4P6iZygvlBIpGPdRHERQsOgLwZFkb6rl4IvUq8eJIQ/aHhXLH5skVzuO9oYw6qD/0Z+UnEu/Dw==
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

2026-09-17T11:04:46.407483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048220
observed 0aef4d22615d86df1ba9d9919e8f2411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.389572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048220/manifest.json
observed a877c50e40b1638467feeb9273cd8c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.370664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048220/publication.md
observed 39c02317e81f460a1d9917d2084d43cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.352219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048220/publication.txt
observed 026d114b8b49b39c223f35c44ee47532...
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.