OpenTechnical

OT-2026-000020760

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000020760) never changes.

Identity and time

Publication numberOT-2026-000020760 · never reused
Internal UUID01a0ae6f-65e2-7178-ad3d-43bf14f72799 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020760
StatusPUBLIC

Content hashes

Canonical text4c522e492adbafe1007f9d787e149a2fb3e793559c622cb0113868c187a6d54d
Markdown09b13fb83fa125329b064237759487582ac2c3217199ab51692e85b9a517258d
PDF
Publication page37ac914dcd4ecafecc013dfca97f444f273e3f8f910479bc608981a1d9c68482
Manifestf5127a1f16c543ec8945bc5601aab2a297b081c9a69f307f508050864a0ad468

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
Signaturen/lHFs8WvFv1/HYBahMdhBu3tuHx2Q8bMgQLDaWrYHQGwjxngLtJ8FvJ+hRfzLLawZeDQVf3D5jj1hYODntSDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:55:50.042501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020760
observed 37ac914dcd4ecafecc013dfca97f444f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.022084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020760/manifest.json
observed f5127a1f16c543ec8945bc5601aab2a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.002076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020760/publication.md
observed 09b13fb83fa125329b06423775948758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:49.982994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020760/publication.txt
observed 4c522e492adbafe1007f9d787e149a2f...
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.