OpenTechnical

OT-2026-000032714

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000032714) never changes.

Identity and time

Publication numberOT-2026-000032714 · never reused
Internal UUID01a0ae75-1071-79b4-a5c3-9e918787a764 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032714
StatusPUBLIC

Content hashes

Canonical texta7c71905c53836af561a61b3ae7fbae7dbe052bff8c25d480669e055215d948e
Markdownb7832df557ca374cace7e24f6a9125a8a95673f2ee437f57bd3768ad86117995
PDF
Publication page7da8c56a443564549b884ca9e1658b8eb5e90956ddd50997f04767bfbf5d36fb
Manifest1ffedd163f1fb0a7b7751dbd9e28104065219060f93fee3c0641c9045b2d0b14

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
SignaturevGlI3sBxMh/Ff6aXC1GNnIibwXKZ0BpMxbKVEpJWPQ5JgO/+CWJMJOL3eTFHfGKHSHZmHdUIxS6JCnfGqTN9Bg==
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

2026-09-17T11:34:19.787290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032714
observed 7da8c56a443564549b884ca9e1658b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.771577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032714/manifest.json
observed 1ffedd163f1fb0a7b7751dbd9e281040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.752130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032714/publication.md
observed b7832df557ca374cace7e24f6a9125a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.735201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032714/publication.txt
observed a7c71905c53836af561a61b3ae7fbae7...
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.