OpenTechnical

OT-2026-000090165

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000090165) never changes.

Identity and time

Publication numberOT-2026-000090165 · never reused
Internal UUID01a0ae9c-428f-77ef-ad82-a481751e7737 · 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-2026-000090165
StatusPUBLIC

Content hashes

Canonical textbaece082cacc2ff1566248e1b84b470bd91207b4e4f83185115c47cb08577a5d
Markdown577655f9aa9e1e4d221594b2a702cd55bfc60f963bbd7551d143430534d237ff
PDF
Publication pagee67bf031c985163c985cd7b2a5fc6ca7da35cf0c0c879b85079f24fe644957fb
Manifestdd5301c9957f9bd586505a2251a0919d36ff1742080423368280fe57c4c2a68e

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
SignatureBV9wQN7fhCORCT9+To1ITrMCrKuNAD2QSh2nAIWYoOm02LE81sx3I3/iLUXGIz67w74SIW1Dk4wsZnTVbc82AA==
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

2026-09-17T09:45:41.072542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090165
observed e67bf031c985163c985cd7b2a5fc6ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:41.056001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090165/manifest.json
observed dd5301c9957f9bd586505a2251a0919d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:41.038949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090165/publication.md
observed 577655f9aa9e1e4d221594b2a702cd55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:41.021949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090165/publication.txt
observed baece082cacc2ff1566248e1b84b470b...
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.