OpenTechnical

OT-2026-000004059

Publication integrity record

Bellows cup vacuum gripper, two zone face, common isolation valve, ejector fed

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-2026-000004059) never changes.

Identity and time

Publication numberOT-2026-000004059 · never reused
Internal UUID01a0a90e-0a74-757f-a294-452bff1e346d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:11:04.823990Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004059
StatusPUBLIC

Content hashes

Canonical text4378deeb730726697bf15e82b7dcb7cdd401b414a680cf1089b07b129f138542
Markdown988f02c0b2a0ab58c7552527c5cb9a7ada02d8d2ed635c98f90f49ad4ad89e68
PDF
Publication page178cf5675204b39f05db32fa4af189d0ba6abefc4a35dd5abe6b4619d0d16d6f
Manifest67ba6a09ad30914435f92bedbb6f14f6469b801d022256d79cc65ffe901f2ed4

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
SignatureWDRn+FUJgznFQ6BOF8ezvTMuxzrmcS60NJcwISvIVMWcKHEBLzXnFi2gWdAYKgXvXUKEcji/wUjgc1EeAaFgDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:40:32.956065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004059
observed 178cf5675204b39f05db32fa4af189d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:32.942517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004059/manifest.json
observed 67ba6a09ad30914435f92bedbb6f14f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:32.929241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004059/publication.md
observed 988f02c0b2a0ab58c7552527c5cb9a7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:32.916541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004059/publication.txt
observed 4378deeb730726697bf15e82b7dcb7cd...
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.