OT-2026-000006591
Publication integrity record
Bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure verified, plastic cups
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-2026-000006591) never changes.
Identity and time
| Publication number | OT-2026-000006591 · never reused |
|---|---|
| Internal UUID | 01a0a960-9e5a-72fe-a527-2c83b12d63fd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:41:16.636909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006591 |
| Status | PUBLIC |
Content hashes
| Canonical text | 11d8c8d4860ad9d06f6102ae883910cc440f9bd284262bc29c58a3b2681c2e43 |
|---|---|
| Markdown | b88a8fd28efbe5f766cd9c676de77cba0a24a63acfc759524ce2a4d1ad579ca4 |
| Publication page | 6a6e0694295a1167771074abb9c14144afdbd798ef54ec74d427a4403603e8e3 |
| Manifest | a421c8006ad0b602bfd650e841b123c3ea4932c60cd0e38f6f4d976678759981 |
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 | ZIR/Ke+u1IhLqDvUY01D4JdvuVErn7IbfMXg4YLjDLnxhvE1v2JG7s4/gzupg1FdXR+fS1kMVssJWR9q9OFqBA== |
| 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
| 2026-10-26T20:41:59.181286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006591observed 6a6e0694295a1167771074abb9c14144...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T20:41:59.051637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006591/manifest.jsonobserved a421c8006ad0b602bfd650e841b123c3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T20:41:58.982873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006591/publication.mdobserved b88a8fd28efbe5f766cd9c676de77cba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T20:41:58.842798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006591/publication.txtobserved 11d8c8d4860ad9d06f6102ae883910cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:32.299503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006591observed 6a6e0694295a1167771074abb9c14144...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:32.195596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006591/manifest.jsonobserved a421c8006ad0b602bfd650e841b123c3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:31.943638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006591/publication.mdobserved b88a8fd28efbe5f766cd9c676de77cba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:31.653967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006591/publication.txtobserved 11d8c8d4860ad9d06f6102ae883910cc...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 |
|---|