OpenTechnical

OT-2026-000018786

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000018786) never changes.

Identity and time

Publication numberOT-2026-000018786 · never reused
Internal UUID01a0ae6e-d521-7eea-a6a8-b89436aa49fb · 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-2026-000018786
StatusPUBLIC

Content hashes

Canonical text3519f57d2ac80d5cb10d9ccf808b95fc4ddfd68c88113692a1cff94e41f878af
Markdownc3f518963886878cea6db39cba52c87149b9b2665dca4a0431ccc6d92ad88420
PDF
Publication page66b9e2b2b60ae04ac6dd45288344808bd26cb22c652ac98675b6025560826ebe
Manifest229e0c75206e58a6f4400c999abb0014b8836ba402dc3a1ed246965fcbdbf094

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
SignaturerW1NMkGJvKqKMyN65KXMFoDhn6UKCz0HWwoj4lKT6QKUvtf2s3ARWqfH/UBEo88swMCj7BYtspsCSllX7X0PAw==
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

2026-09-17T11:59:24.696123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018786
observed 66b9e2b2b60ae04ac6dd45288344808b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:24.676594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018786/manifest.json
observed 229e0c75206e58a6f4400c999abb0014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:24.658642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018786/publication.md
observed c3f518963886878cea6db39cba52c871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:24.640392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018786/publication.txt
observed 3519f57d2ac80d5cb10d9ccf808b95fc...
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.