OpenTechnical

OT-2026-000022757

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000022757) never changes.

Identity and time

Publication numberOT-2026-000022757 · never reused
Internal UUID01a0ae70-46ea-7d52-b33b-c923a071fac1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022757
StatusPUBLIC

Content hashes

Canonical text567849cf2567004a63b70ff020140e6ff8c53c26cda4d503446dcb23164339cc
Markdown5df2e51393c081bb5e3a5224388eadeaaee280e286112f7796ebc02b7fead658
PDF
Publication page46d7476515bd8aae6775369df0f7f9405f2cfe12ec421887454bf6825c8df2ae
Manifest38eb094d468aed7d4808a3e84c9d0c0c712e49d2ae6635cd1c40d1745f8a6bc7

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
SignaturemtZAZ9/VxbS+EOW+WaCAsE0JewxhqDroImV3JstX1S+GpWwf2AfBcVeQfcKF3ySwQoU/LpcjP1Ta/JR0AYsdAw==
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

2026-09-17T11:52:16.122635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022757
observed 46d7476515bd8aae6775369df0f7f940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.104591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022757/manifest.json
observed 38eb094d468aed7d4808a3e84c9d0c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.086799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022757/publication.md
observed 5df2e51393c081bb5e3a5224388eadea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.068958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022757/publication.txt
observed 567849cf2567004a63b70ff020140e6f...
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.