OpenTechnical

OT-2026-000038904

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000038904) never changes.

Identity and time

Publication numberOT-2026-000038904 · never reused
Internal UUID01a0ae78-769f-79c1-b292-e98ebbe998fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038904
StatusPUBLIC

Content hashes

Canonical textcfa6db3b01108dd62f9a5ccd245d076a9a465bd7810bfbb84bd2208f3b2effda
Markdown1952dae6f3f4e0a4b520532049e2ffe708b3bb461bb85ed26a5651e4dfae87a5
PDF
Publication pageea2dd5f1538c66e514d6bcffe8e93f62b3eb1b9157acd994a9d3499e9277ebe3
Manifest154dbdfc20dc8cc813608e90024c705cad555fa218fd7bc37367e2eb27bdfa1b

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
SignatureYgLKV9olULA/JKFFq5KldCNJJrNIixXreX5r9MgiJLxiI0fvWpqHmjCdWvbXEya+7gTx2akarGmy2bueFvB1Ag==
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

2026-09-17T11:21:34.486242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038904
observed ea2dd5f1538c66e514d6bcffe8e93f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.470178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038904/manifest.json
observed 154dbdfc20dc8cc813608e90024c705c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.451897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038904/publication.md
observed 1952dae6f3f4e0a4b520532049e2ffe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.433610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038904/publication.txt
observed cfa6db3b01108dd62f9a5ccd245d076a...
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.