OpenTechnical

OT-2026-000030004

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000030004) never changes.

Identity and time

Publication numberOT-2026-000030004 · never reused
Internal UUID01a0ae73-ac49-743b-9157-56c80c649090 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030004
StatusPUBLIC

Content hashes

Canonical text19cbb2da0194fe2327e449bf9327e9b8e5f3a6d52f69d969e3bdca89a7987bd2
Markdown2de9f9383809ef532ffc38116f4645ab716b3b7ed62997aba84a44c209ded74a
PDF
Publication page3190d3984624b47ed6cdcb6cae5f44861ee3ff80ee01919d1f054ccecc3421d1
Manifest1d7f1c0843b21fcadb47928efb8ddfcc0c9a9c4be4766fcc27a0331e4ddf13aa

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
SignaturekURgJEbLLhhRdRnwEMQUnRPA+Lr69Zwu9u+w3r3t81A5zuuyFLrfEacmO+XZtw7JERfSfFQLgFZ6xQjLIOOSDg==
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

2026-09-17T11:38:44.004737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030004
observed 3190d3984624b47ed6cdcb6cae5f4486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.988722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030004/manifest.json
observed 1d7f1c0843b21fcadb47928efb8ddfcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.972328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030004/publication.md
observed 2de9f9383809ef532ffc38116f4645ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.955452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030004/publication.txt
observed 19cbb2da0194fe2327e449bf9327e9b8...
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.