OpenTechnical

OT-2026-000012461

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000012461) never changes.

Identity and time

Publication numberOT-2026-000012461 · never reused
Internal UUID01a0ae6d-39f7-7abd-9516-c6c58d10caf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012461
StatusPUBLIC

Content hashes

Canonical text4e116f8c0d33250e1cb5a76e3952f75ab19c170e1cdc734f5279030c1998526f
Markdownbac14a81205ce25af3488b920a92b091ac7a3d94afe045acdcb2e6c2cc9d1106
PDF
Publication page51d617b086f47683749875824b2a89451da205eaf4227d478a816ad50f6bdfa4
Manifeste4e062df5680436c6637cde0010b6e2da6cd0f9996573292c4de134403d55c94

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
SignaturelYG7NQKvXwALmy+phxs8AHrlqaeKN1+90bRuKObInKjGlbcVIroIcK2f1JmSNridN/+nQ4SEa7gM2OST+9ELAQ==
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

2026-09-17T12:11:58.160036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012461
observed 51d617b086f47683749875824b2a8945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.141261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012461/manifest.json
observed e4e062df5680436c6637cde0010b6e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.124803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012461/publication.md
observed bac14a81205ce25af3488b920a92b091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.106993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012461/publication.txt
observed 4e116f8c0d33250e1cb5a76e3952f75a...
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.