OpenTechnical

OT-2026-000025317

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000025317) never changes.

Identity and time

Publication numberOT-2026-000025317 · never reused
Internal UUID01a0ae71-5fa7-737a-9128-aa5e73988a72 · 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-2026-000025317
StatusPUBLIC

Content hashes

Canonical textde7bc0fa80760192430147de880d21cfe27c514c9ba0ba559ccb882e60a030b7
Markdownfb665927885c2e9285e161e284e6faf4da46453d090b553ed78a065d39313c11
PDF
Publication pagedaf8fb306a100fa157c0b9e14fabd206b923027d602c3f4689a45f6068b02562
Manifest6ea9c8ce957af17cdabbc263a98dda01cc171592444534890c47d97fca9b7fdf

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
Signature1H9GgxqzPSYRmj4CVYPhbwkrU6IxSHiwabv8lGW2W85Z5S5t6U6KLpujsqJ5bQjoq2S+/KaW9WehTQGUxgHADA==
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

2026-09-17T11:47:20.327059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025317
observed daf8fb306a100fa157c0b9e14fabd206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.310153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025317/manifest.json
observed 6ea9c8ce957af17cdabbc263a98dda01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.292961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025317/publication.md
observed fb665927885c2e9285e161e284e6faf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.268102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025317/publication.txt
observed de7bc0fa80760192430147de880d21cf...
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.