OpenTechnical

OT-2026-000049283

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000049283) never changes.

Identity and time

Publication numberOT-2026-000049283 · never reused
Internal UUID01a0ae81-134f-7025-8741-ca067a73de24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049283
StatusPUBLIC

Content hashes

Canonical textc0c6e9c26cf5cfa76559125fcb64173566e3ecf68dc8630adbc0d5c196ade2c7
Markdowna86945bcdedce050503cad654fd20cbfbf8fd68e383fa7158cfef6d19addaf1e
PDF
Publication page01dfdbe4f73ac778dc7a4241dcdbef2ebf0ccc4ac74e3d96fb1fcc1e2ce8b3d1
Manifest63879e9f92105652e605aafff71a1e137a4a05375a2a27e33392e85687939bb8

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
SignatureZHyjAUEynqZE6+FT8yCQ5iKdfrMy5RYhAz4KDVV4lxd1bGZWSdygLZGEcWP/y9vcxJZSHEUUKANmjyg81xPODg==
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

2026-09-17T11:04:08.492379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049283
observed 01dfdbe4f73ac778dc7a4241dcdbef2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.471855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049283/manifest.json
observed 63879e9f92105652e605aafff71a1e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.451877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049283/publication.md
observed a86945bcdedce050503cad654fd20cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.434415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049283/publication.txt
observed c0c6e9c26cf5cfa76559125fcb641735...
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.