OpenTechnical

OT-2026-000097039

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line 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-2026-000097039) never changes.

Identity and time

Publication numberOT-2026-000097039 · never reused
Internal UUID01a0aea1-01c9-7dab-b307-f7c275b50993 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097039
StatusPUBLIC

Content hashes

Canonical text31bbed461735b75efdca49ef5744e6adef8c3b2540839b3eaaa07fc33f448755
Markdown3eeb8a2a4c45016ac31144a3796eda56d879a6251ef69bc6a57ec68ebe40b7c6
PDF
Publication page5d571caa293acdd186948f78e46105f22d7a36488277c4c3ec9b84141c41ad59
Manifest861bc78ce30ece135fd4c5b9888d298049b84af32251e2de496c1b2281096925

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
SignatureSw6tgBRtUWCGYfxB8e3978LlxpwOh/fLNFJqA32vutQEvkIxr9UVwZ6OBSoV/DXYPRSDt6lOyjcT1sErM2aiDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:33.949475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097039
observed 5d571caa293acdd186948f78e46105f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:33.931738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097039/manifest.json
observed 861bc78ce30ece135fd4c5b9888d2980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:33.913181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097039/publication.md
observed 3eeb8a2a4c45016ac31144a3796eda56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:33.891079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097039/publication.txt
observed 31bbed461735b75efdca49ef5744e6ad...
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.