OpenTechnical

OT-2026-000013905

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013905) never changes.

Identity and time

Publication numberOT-2026-000013905 · never reused
Internal UUID01a0ae6d-8dea-79f8-833c-ab229e4d32fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013905
StatusPUBLIC

Content hashes

Canonical text65f497c9360f543e926582d04a586e0397296555af5d8db83f85700f2c01bf6d
Markdown082c3a074e4520562b940993c4afd5c1ac74d361d4a4c92487fc6cacd4746eaa
PDF
Publication page82dd20f58f02c263da423cdaff37829b6b21f110b0d865c8dfdd42bd1de6852f
Manifestb925f78da4105cb387416ca0b47c9abbba41ffca0eb06645a82bc6ed87b52253

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
SignaturewmUzX595GusM+24rv7dyQbYfh1/cojwVeRTiMxbzSfZivlzSxLbuxVyDVg31j6B98TTH5AJDdLHnBaxrWABUAA==
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

2026-09-17T12:09:01.975321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013905
observed 82dd20f58f02c263da423cdaff37829b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.958195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013905/manifest.json
observed b925f78da4105cb387416ca0b47c9abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.939383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013905/publication.md
observed 082c3a074e4520562b940993c4afd5c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.920834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013905/publication.txt
observed 65f497c9360f543e926582d04a586e03...
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.