OpenTechnical

OT-2026-000064813

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000064813) never changes.

Identity and time

Publication numberOT-2026-000064813 · never reused
Internal UUID01a0ae8d-debb-780a-860e-63e03eed2e50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064813
StatusPUBLIC

Content hashes

Canonical text562a3a4cba3d433a2c8b1e936c94d4edd2ba243da221728beb45e872786d8d16
Markdown84fb2ddcdddd8dc296d917f83ef925f5a5e26e949e3d4f400f76f4267e116c0d
PDF
Publication paged28ab0174e31f2f57e10c558d07d41454baf64fc1d101b09d3c6e9d184427263
Manifest0572ef03512dd3a176da8ba63f9f0d3c2e22013dd23828d7cdfab9b6e5fc3ceb

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
SignatureSyK0EeWUQh86XDASbskx+QOPTBUAOnuMAY2zdOSEsRrO4zR3fpergeyzOYY2IdWvEB2A6OZQjzvLDj5TPWFYCQ==
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

2026-09-17T10:35:43.016620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064813
observed d28ab0174e31f2f57e10c558d07d4145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.998883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064813/manifest.json
observed 0572ef03512dd3a176da8ba63f9f0d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.981274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064813/publication.md
observed 84fb2ddcdddd8dc296d917f83ef925f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.962684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064813/publication.txt
observed 562a3a4cba3d433a2c8b1e936c94d4ed...
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.