OpenTechnical

OT-2026-000090010

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000090010) never changes.

Identity and time

Publication numberOT-2026-000090010 · never reused
Internal UUID01a0ae9c-428e-78cd-840b-9592c5dac5d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090010
StatusPUBLIC

Content hashes

Canonical textd9e6ec8048aa3aac32b8306b74ba0282f3f7eaa839d616b91feff703a60dce46
Markdownc2d09007acde6e2229c26e13bf541370c0d2ff1ea3de270ee38becb080ff4c32
PDF
Publication pagee14a1ae390609e71f4238e3e9f5bd95ce498b57546223f6dde2bf9daad3fb926
Manifestfbd88f329851ef7011c5a68e287fe7d1b2314b4c296689e1b480dec021b5b0cf

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
SignatureYH2cH/67YW1HNqMo4PtnVdjh0v9W8OJwUlwn7kJfq9IodRGxbdpZc2jvE/Xasf40RWGc3HfeHTbrrawD17SPBg==
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

2026-09-17T09:45:24.271930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090010
observed e14a1ae390609e71f4238e3e9f5bd95c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.255064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090010/manifest.json
observed fbd88f329851ef7011c5a68e287fe7d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.238439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090010/publication.md
observed c2d09007acde6e2229c26e13bf541370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.219088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090010/publication.txt
observed d9e6ec8048aa3aac32b8306b74ba0282...
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.