OpenTechnical

OT-2026-000070430

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000070430) never changes.

Identity and time

Publication numberOT-2026-000070430 · never reused
Internal UUID01a0ae91-545f-7706-8edd-0dd9f564e3e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070430
StatusPUBLIC

Content hashes

Canonical textd2fdf497dce05b9dfd911f966f3578af2baf354dcbbe07c2a2ddb61783877a22
Markdown16691ac13254e09e7a731af28495ee4306d2d11ee95b5f4afb84a95a81084a1b
PDF
Publication page9d61a5c803ccb42d0c8375c581f414f07fd38e7f360357a2ed23993ae426ad7d
Manifestad3bc1312a40aaf4814d33237ad8ae2fcdbf2638ebf96aea55de329cc4d93f49

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
SignatureoAuC1Q1BGhq/onTmUu2UxJ9giANZwU2afYS0Flxz05+jP1nreyu11Sv86TYLtygGkFtmmB/SHSyhjzcete/hBQ==
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

2026-09-17T10:26:14.836113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070430
observed 9d61a5c803ccb42d0c8375c581f414f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.816819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070430/manifest.json
observed ad3bc1312a40aaf4814d33237ad8ae2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.798500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070430/publication.md
observed 16691ac13254e09e7a731af28495ee43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.780204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070430/publication.txt
observed d2fdf497dce05b9dfd911f966f3578af...
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.