OpenTechnical

OT-2026-000071199

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000071199) never changes.

Identity and time

Publication numberOT-2026-000071199 · never reused
Internal UUID01a0ae91-e0eb-74cb-afd3-fb978b97bef0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071199
StatusPUBLIC

Content hashes

Canonical text7fc091deed48ef0aec6a2386ae6680f5f2aa3238e4cd1a1cefedf99284507c64
Markdown1d5b875ef148593490b8a227a44c32486fb225d7e4462e5be75f8626c6166b86
PDF
Publication pageedff8d2e3bba7b2179baf48a1bdc858d7f042f7ca921a1dcf854a1f00f34f14f
Manifest0bb90b44406fa4ec592add54044cd12ccee01306c16bce15cd3c83cdd7585029

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
SignaturemOqOdqKGN3FVhlDKbAf3l0n7stysok+wBfbRy6he8Pui1ILbtCokCOpb9muPFYGrx/LZt1o2QmELu8EiX4weDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:43.345966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071199
observed edff8d2e3bba7b2179baf48a1bdc858d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.328990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071199/manifest.json
observed 0bb90b44406fa4ec592add54044cd12c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.311524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071199/publication.md
observed 1d5b875ef148593490b8a227a44c3248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.294877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071199/publication.txt
observed 7fc091deed48ef0aec6a2386ae6680f5...
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.