OpenTechnical

OT-2026-000048640

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000048640) never changes.

Identity and time

Publication numberOT-2026-000048640 · never reused
Internal UUID01a0ae80-c32a-7b92-987d-ab66f1daa885 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048640
StatusPUBLIC

Content hashes

Canonical text1b9e4068468b57ec5db50575262aaff95106f456425a38b04c570655edcd0516
Markdownffcc9ab4b615e8c7390876f87c0edb8f10764a2c8a68ed99ed6cea73e7c88f68
PDF
Publication page4b9f57f74f9867982be726656bf3666ebc3671716eda36b0a5aff931096d7ff4
Manifestc8db573ed82af1b2997d15eb56495430ca5f96cae109f69fc57d627666293233

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
SignaturePymphXYJrNQR9UFvHf0ueRzrieuk88zMGmwDigTYWpQ6OKCM+tjNvhjlDoa8OALL590foHFn0lOvJCe1PPQ8Cw==
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

2026-09-17T11:04:14.969956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048640
observed 4b9f57f74f9867982be726656bf3666e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:14.950838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048640/manifest.json
observed c8db573ed82af1b2997d15eb56495430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:14.928374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048640/publication.md
observed ffcc9ab4b615e8c7390876f87c0edb8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:14.909506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048640/publication.txt
observed 1b9e4068468b57ec5db50575262aaff9...
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.