OpenTechnical

OT-2026-000031098

Publication integrity record

Foam pad vacuum gripper, plant vacuum 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-2026-000031098) never changes.

Identity and time

Publication numberOT-2026-000031098 · never reused
Internal UUID01a0ae74-3fb8-7419-b61c-d96c38445895 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031098
StatusPUBLIC

Content hashes

Canonical text0f52ddc09c652b922ac9c1b996f32aa32ea8594be6c4c11a08d27f7bf7d23852
Markdown0183be98bbbd1e22ad8b3c43e082cfe402f7a286033c90b1788fd56b9cbe0c91
PDF
Publication pagedc449e31405883ab9a704cee8d1b12ad48fe3189b16d4932f6d16e448fd19727
Manifestc6bb888e54f1cc8a844916590ad97b0528286dabb7b9f9f8a56124473e473c3a

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
Signature3kSeQ1ANqH/ElApqKbOK/j0q08r+p98b0zIKyuFUtUFHMngxOCA2/2/KBydba9pbOqYNsP0GONSrC0NY14KQCQ==
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

2026-09-17T11:40:19.446823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031098
observed dc449e31405883ab9a704cee8d1b12ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.429097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031098/manifest.json
observed c6bb888e54f1cc8a844916590ad97b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.412033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031098/publication.md
observed 0183be98bbbd1e22ad8b3c43e082cfe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.395321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031098/publication.txt
observed 0f52ddc09c652b922ac9c1b996f32aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.412349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031098
observed dc449e31405883ab9a704cee8d1b12ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.395822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031098/manifest.json
observed c6bb888e54f1cc8a844916590ad97b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.379714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031098/publication.md
observed 0183be98bbbd1e22ad8b3c43e082cfe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.361762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031098/publication.txt
observed 0f52ddc09c652b922ac9c1b996f32aa3...
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.