OT-2026-000003742
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, three outlet manifold, plant vacuum fed, pressure verified
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-2026-000003742) never changes.
Identity and time
| Publication number | OT-2026-000003742 · never reused |
|---|---|
| Internal UUID | 01a0a90a-ebc6-721f-90bf-92e413c1b7fb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:40.361045Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003742 |
| Status | PUBLIC |
Content hashes
| Canonical text | da57b71d785967b7d6a2414529d9244dca5836efb2731179a77fcd0e9f0a95c5 |
|---|---|
| Markdown | bf4e9f28d4362a082a11789c64e93526b23d367a4725721b0cf8dfb7826ee585 |
| Publication page | fb1f7d2379e80dfae58ef9e52900f8d14639e3537800a2e8f0f32fa51e32d475 |
| Manifest | 83ff20f9bcfbea3d676b17ff951f739ec92f0d3778b72c34575dff9a54c24658 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | Giiy7sGUGEr9lpA2qXz8nDh59JFS4wVcyYooBY6VqheJFtlBjc53mBLpoE5wW4ATQakkX5NjmUtRLRq4OvPWDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-06T20:41:31.717820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003742observed fb1f7d2379e80dfae58ef9e52900f8d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T20:41:31.667379Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003742/manifest.jsonobserved 83ff20f9bcfbea3d676b17ff951f739e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T20:41:31.612609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003742/publication.mdobserved bf4e9f28d4362a082a11789c64e93526...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T20:41:31.447626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003742/publication.txtobserved da57b71d785967b7d6a2414529d9244d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:51.221026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003742observed fb1f7d2379e80dfae58ef9e52900f8d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:50.893930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003742/manifest.jsonobserved 83ff20f9bcfbea3d676b17ff951f739e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:50.128615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003742/publication.mdobserved bf4e9f28d4362a082a11789c64e93526...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:49.453727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003742/publication.txtobserved da57b71d785967b7d6a2414529d9244d...fetched by grabo-systems from 34.44.131.203, 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 archive | Pending 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|