OT-2026-000006743
Publication integrity record
Vacuum cup gripper, two zone face, pump fed, pressure verified, vented after set down
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-2026-000006743) never changes.
Identity and time
| Publication number | OT-2026-000006743 · never reused |
|---|---|
| Internal UUID | 01a0a965-dc5c-7410-a288-2d4b6ea65fd0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:47:00.192041Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006743 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9be644df44b9f2f9a15c281af4f7ab47ee953e24d8ee8bf75aa7539001275187 |
|---|---|
| Markdown | 4b7acb61ddecc02c40effffb382413ad04bee632096779de1fbca91da1c9de9a |
| Publication page | 275ba3666db9271c4db340f62a2362fcdf0efa2d90f92b92ebf95863ba1b48db |
| Manifest | 86e78a0e638717d00e33d1d87727229ab85438ae01c3ef2d3cd903f6f54d5cd2 |
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 | 9pUB/vzzyGKCWYqNfT9WPbG4IHG6emmTEvb1qtIbehCOvk6aWFD+f8SRPP7srIVNN1tHoToqtNSGkK2RwFEnBQ== |
| 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
| 2026-09-16T08:50:11.188056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006743observed 275ba3666db9271c4db340f62a2362fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:11.175736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006743/manifest.jsonobserved 86e78a0e638717d00e33d1d87727229a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:11.162813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006743/publication.mdobserved 4b7acb61ddecc02c40effffb382413ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:11.149946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006743/publication.txtobserved 9be644df44b9f2f9a15c281af4f7ab47...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. |
|---|