OpenTechnical

OT-2026-000019084

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000019084) never changes.

Identity and time

Publication numberOT-2026-000019084 · never reused
Internal UUID01a0ae6e-d523-7986-9dbf-993659cbe6e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019084
StatusPUBLIC

Content hashes

Canonical text83e11a95232dc899be67f677e1a94c282c0588a6000b235a41a2cec837d57c2b
Markdown7404dc4ad2d1e02d635e2b5b8f16458b078ef9d351939e9247add0683fc671fc
PDF
Publication page95dac624f404922175fe33d3337851fa2c80148a53af0040fdf2fd34fa5d7148
Manifestdde5414328a1f2bde6d18628a95bb3911f5faa85452d8f9ffcefc403f48222db

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
SignaturexIWniZxonISMR3SwI2rSkxLmMtnAXeGeA58jb29qvAwQLDbUBH5bnSH9Q4++QCzFGqW9QNwc3lHB7Fo2ijdqDQ==
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

2026-09-17T11:59:47.251447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019084
observed 95dac624f404922175fe33d3337851fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.233667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019084/manifest.json
observed dde5414328a1f2bde6d18628a95bb391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.213360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019084/publication.md
observed 7404dc4ad2d1e02d635e2b5b8f16458b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.191747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019084/publication.txt
observed 83e11a95232dc899be67f677e1a94c28...
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.