OpenTechnical

OT-2026-000039732

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000039732) never changes.

Identity and time

Publication numberOT-2026-000039732 · never reused
Internal UUID01a0ae78-d8d5-78e7-9d4b-2f7b6b07fd18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039732
StatusPUBLIC

Content hashes

Canonical textb912ec48c41e2fd8dde02a71327a5160f168eb47077cf57482980b0ed90b9c2c
Markdown2349f7480958b5188df28b1dfc8b282e23536f359c11799fd48c54250fb91c15
PDF
Publication pageacb71c35ff12fb37725102f96d94aa92b6a04d50f345929f16ed30e393cb4b87
Manifest2a25c064bb19613628f1dfe5f31938b7de4ddf5ac275e1df55809366f6073380

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
Signature2LJ71ih+ylCmB0IAIDk1L00D48xDfNRHe2lZbVGpK9na6OoaPlx7tHe94Vk4aHfpAqTecy6inT3Po7npBY4hDQ==
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

2026-09-17T11:19:56.381131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039732
observed acb71c35ff12fb37725102f96d94aa92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.364223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039732/manifest.json
observed 2a25c064bb19613628f1dfe5f31938b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.345316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039732/publication.md
observed 2349f7480958b5188df28b1dfc8b282e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.326290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039732/publication.txt
observed b912ec48c41e2fd8dde02a71327a5160...
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.