OpenTechnical

OT-2026-000012724

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000012724) never changes.

Identity and time

Publication numberOT-2026-000012724 · never reused
Internal UUID01a0ae6d-5562-79ab-8dc2-ce5f4bd2125a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012724
StatusPUBLIC

Content hashes

Canonical text41a72c53f39f3a0a900c0e516f6c105e9448ab0d60414bd3d6c7a5d496184905
Markdowndb7e4323cde35a14f4c2987e808d1d1e688fc66dcb4863b0ce78bbf62d436c15
PDF
Publication page844ce5807291ea4faba46ea3277f87ad6c028a982c88e19e6fa62145a7ded638
Manifest5e8af756d08bacbb06f54dacf7f75bf868ebef6a74b8b0c18be5a3705277135c

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
SignaturextVbatoUYlWn1vycSr0k0rJxjtkIQV17BvMHQ76OvxkNYeXjWeteLfu04bXbFQv16hQLJjUQ2CQniNDPV6wNBQ==
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

2026-09-17T12:10:23.397211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012724
observed 844ce5807291ea4faba46ea3277f87ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.379351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012724/manifest.json
observed 5e8af756d08bacbb06f54dacf7f75bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.361308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012724/publication.md
observed db7e4323cde35a14f4c2987e808d1d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.341939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012724/publication.txt
observed 41a72c53f39f3a0a900c0e516f6c105e...
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.