OT-2026-000006040
Publication integrity record
Porous face vacuum gripper, four zone face, plant vacuum fed, pressure verified, open cell
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-2026-000006040) never changes.
Identity and time
| Publication number | OT-2026-000006040 · never reused |
|---|---|
| Internal UUID | 01a0a94d-31a9-7afe-a532-d1ea3cc55db7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:20:03.628190Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006040 |
| Status | PUBLIC |
Content hashes
| Canonical text | ffbffd4140f84f9d65334e5a0a573c298301aa54664770e634568fbcd0474fd5 |
|---|---|
| Markdown | 28d8ae6e888cd8510aa7f414f68d046e80214cb64134e5f98e557631f0550b03 |
| Publication page | 4add70fa74eb747f486353773b81b06514d6c244e95311a296d514a50a732854 |
| Manifest | 808ed6b8c6ee7521d5e09f0f323abb5d2d5319ba98ce9197001bc33e7489f015 |
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 | pssg2l46VMpWfYbDOsyM9h1Mwsb2Dfmw7qL4rWtAZQzGCQ400fQGGvqJCV2w7kABAn83O9wKGk96dsU1ThCZAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:30:34.394044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006040observed 4add70fa74eb747f486353773b81b065...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:30:34.380766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006040/manifest.jsonobserved 808ed6b8c6ee7521d5e09f0f323abb5d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:34.247145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006040/publication.mdobserved 28d8ae6e888cd8510aa7f414f68d046e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:34.233256Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006040/publication.txtobserved ffbffd4140f84f9d65334e5a0a573c29...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 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
| Custody package | Pending Custody packages are produced weekly. |
|---|