OpenTechnical

OT-2026-000032709

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000032709) never changes.

Identity and time

Publication numberOT-2026-000032709 · never reused
Internal UUID01a0ae75-1071-75f7-ba61-34884f3fd171 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032709
StatusPUBLIC

Content hashes

Canonical text73dff95c86be4b845ed49ee6227ab4dbe55e3e8af4d56974346a82228fb910c1
Markdownaae16139d8dbf90bf3902c329722d2090421f9499f5e86e08310e78c047275b5
PDF
Publication page406fa5518af017a4473667c6a61a2171b6b1e8fe8632dee3d733f12dafc0e20e
Manifest638481cbcec3f41e55a27e8f1cffda6f68730da4a9983b87939359541837db4a

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
SignatureKvpAmJdCt/RnTkiqNxg/JGhcJuS/7Fh3wmi53R2pQItQOax9tcG8G3rfFF2AKYjfTMp3C4M1RBySOdcrIY/eAg==
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

2026-09-17T11:34:19.422986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032709
observed 406fa5518af017a4473667c6a61a2171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.407744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032709/manifest.json
observed 638481cbcec3f41e55a27e8f1cffda6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.392048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032709/publication.md
observed aae16139d8dbf90bf3902c329722d209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.375992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032709/publication.txt
observed 73dff95c86be4b845ed49ee6227ab4db...
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.