OpenTechnical

OT-2026-000090084

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000090084) never changes.

Identity and time

Publication numberOT-2026-000090084 · never reused
Internal UUID01a0ae9c-428e-7eca-8733-627b5197d72b · 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-2026-000090084
StatusPUBLIC

Content hashes

Canonical texta5189b9c5e81e29e669b777f18fac58d5a4c1c34a0a4187530add078bf35f8c7
Markdownd4337e21ea631a6d895495f6a832ef8b1d982a19e938e8a7e5f51e136ddc6891
PDF
Publication page7d80c6750e0ecf117c5bcd70cce41b71d2e03f2181efd911ac80a8c8e986bd64
Manifest992ad913aeae0169150d208285b53fb9bfcead5aa146c7d9b2c16bb7d0e563b5

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
SignatureGzpsxPtgatqS1qv40aHRWbq7qPEWkDubytmoXUxhzDKZjFwh9W3ge3vhXWg8HlFwwpHkHry6YFRO4h6H7/QeAw==
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

2026-09-17T09:45:30.226524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090084
observed 7d80c6750e0ecf117c5bcd70cce41b71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.208691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090084/manifest.json
observed 992ad913aeae0169150d208285b53fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.190894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090084/publication.md
observed d4337e21ea631a6d895495f6a832ef8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.173375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090084/publication.txt
observed a5189b9c5e81e29e669b777f18fac58d...
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.