OpenTechnical

OT-2026-000030473

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000030473) never changes.

Identity and time

Publication numberOT-2026-000030473 · never reused
Internal UUID01a0ae73-e504-72d8-9201-4ab9c17e9bac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030473
StatusPUBLIC

Content hashes

Canonical texta7d481ff4705abd7a8094a16a6de870647169f79e47b4ac087bae315f0277dcb
Markdowna10bfbbcfa083642bcc885db3fa3a9179f5d6b39ef0459ddc29e3ac0caeffbe8
PDF
Publication page20e67b8a5d066c38edd4f00f94c66d22b628026c84244891a87ed9822a92cf02
Manifest38ee89377c00307b1a48f87e7a017c5461b6a7ddb47d7791063d3e3b47988ed8

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
SignatureAnawEiczilwUARNYFrEBwfSfuot/SFwGMETleu2d8MfSWJfpLG8RvpVpaTVrDERUiphZhm+Dqb+KoXhPzsPLCg==
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

2026-09-17T11:38:19.141261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030473
observed 20e67b8a5d066c38edd4f00f94c66d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.123539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030473/manifest.json
observed 38ee89377c00307b1a48f87e7a017c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.002383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030473/publication.md
observed a10bfbbcfa083642bcc885db3fa3a917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:18.984986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030473/publication.txt
observed a7d481ff4705abd7a8094a16a6de8706...
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.