OpenTechnical

OT-2026-000025137

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000025137) never changes.

Identity and time

Publication numberOT-2026-000025137 · never reused
Internal UUID01a0ae71-5fa5-726d-bc8a-4c34f9e397f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025137
StatusPUBLIC

Content hashes

Canonical text2001048e6919bd024812ecb54afef370cad94ca994635edb9b85ee1bfc0b67bc
Markdown4a7c45e73419da053adbd500719b30d0880eb5a7a6c4a576dbb80871606e8145
PDF
Publication page2c68df154079bc6896bb25ff58eb5b11568aa52beb462e59e6507634c0c74c5b
Manifest6c49e18115c706caa38babd4609d920d91fea10eb3847e1e47efe55706b35649

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
SignatureH2J6SQj7ZH3eHAzH16OOytBsXOrO1akolsr1gK3m8QcgZMvrTIez71J6kyL7YJgzseodrbvtepNRBIjI+rfNAg==
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

2026-09-17T11:47:01.122255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025137
observed 2c68df154079bc6896bb25ff58eb5b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.104704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025137/manifest.json
observed 6c49e18115c706caa38babd4609d920d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.087202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025137/publication.md
observed 4a7c45e73419da053adbd500719b30d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.070524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025137/publication.txt
observed 2001048e6919bd024812ecb54afef370...
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.