OpenTechnical

OT-2026-000104270

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000104270) never changes.

Identity and time

Publication numberOT-2026-000104270 · never reused
Internal UUID01a0aea5-3420-7749-b1df-ff38984dde3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104270
StatusPUBLIC

Content hashes

Canonical textd6b98d3f098b3eee1ed7b4e8d4c3342dc663ac520bfddf07ce9c386e9fd31dfe
Markdown5d649d9af9b24de352c51bcd56a731cfdc3bf16389986f489c77096480dc0815
PDF
Publication pagea8dbb688ec7816a832cf1cdebb11f3521fca4e5bd4a7e4dce40dee847451be70
Manifest30689fcbf234d446c9a3b9d3399f0072018c8d1a9fd6c22693e96ab6b12f6e13

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
SignatureQPdEdP/1x2R5RN+I1YGJw3W1nXEbyxVoBr6oHLRLBSwKaRWB/mb3x+jJ4VWPYyKl9ORbfXvufZZhRNK9YyFGBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:23.090059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104270
observed a8dbb688ec7816a832cf1cdebb11f352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.074075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104270/manifest.json
observed 30689fcbf234d446c9a3b9d3399f0072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.058073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104270/publication.md
observed 5d649d9af9b24de352c51bcd56a731cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.040436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104270/publication.txt
observed d6b98d3f098b3eee1ed7b4e8d4c3342d...
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.