OpenTechnical

OT-2026-000047521

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two 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-2026-000047521) never changes.

Identity and time

Publication numberOT-2026-000047521 · never reused
Internal UUID01a0ae7f-3e59-7735-9a2e-1331e9594b3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047521
StatusPUBLIC

Content hashes

Canonical textdb7b559a7c85ada3fd17fb936b4879e45c0212a77069aa8b9b9b8b04524ae879
Markdown9b3d66fae6ee0c04b8f133e73bd01c8efc53b9553e04524216f12ab5e674089e
PDF
Publication page5f662b9d726045fa7e915068e7d9d408643baf90c53be4f7d9c5c6c51635c140
Manifest674c6e6565e6f891cfc48f98d3192000f136f714b977424a01ed90a5c5a49705

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
SignatureGUdiK5+V8PfFv8yKqD4155eGI9J8jStGLMP01440E5wIQX8Zfm4kyC6AdCEph7CQCMqoN5Dl50SnKXvpC/GNCQ==
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

2026-09-17T11:06:37.913335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047521
observed 5f662b9d726045fa7e915068e7d9d408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:37.894261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047521/manifest.json
observed 674c6e6565e6f891cfc48f98d3192000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:37.874461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047521/publication.md
observed 9b3d66fae6ee0c04b8f133e73bd01c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:37.852978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047521/publication.txt
observed db7b559a7c85ada3fd17fb936b4879e4...
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.