OT-2026-000006457
Publication integrity record
Bellows cup vacuum gripper, two zone face, pump fed, pressure verified, plastic cups, three fold
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-2026-000006457) never changes.
Identity and time
| Publication number | OT-2026-000006457 · never reused |
|---|---|
| Internal UUID | 01a0a95b-e8ad-7035-bcd1-be74bb96fd75 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:36:07.984588Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006457 |
| Status | PUBLIC |
Content hashes
| Canonical text | 29c55189314dd3aecc869e9e4e87a858401064739e959d1e10e0a3ce601a1d0c |
|---|---|
| Markdown | 828d4f4aba7ba32b7952fb2aa67cb583ea96a82ae8ceac3f4b71e7902f35a081 |
| Publication page | bf94c81a5cc15e49214acc5f2eb749bd1a0a815a7b3531ea7635afc2f205c4fc |
| Manifest | 0b5b3a1915a04ee225f91fb90725b5d3ba31803ce169b2dadb8b248d52a46a7c |
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 | F6d2U8qNdZFqKiWOWs3KYglSK4eZTBdyimNz1Pf7uclIvuDFw/oF3+wTw4bEhxbpGh2MjTe1EzphUEymEhjLAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:40:15.393240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006457observed bf94c81a5cc15e49214acc5f2eb749bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:15.380760Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006457/manifest.jsonobserved 0b5b3a1915a04ee225f91fb90725b5d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:15.255517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006457/publication.mdobserved 828d4f4aba7ba32b7952fb2aa67cb583...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:15.238231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006457/publication.txtobserved 29c55189314dd3aecc869e9e4e87a858...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. |
|---|