OT-2026-000080107
Publication integrity record
Four cup vacuum gripper, four zone face, pump fed, sustained blow-off before set-down, on a tool changer
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-2026-000080107) never changes.
Identity and time
| Publication number | OT-2026-000080107 · never reused |
|---|---|
| Internal UUID | 01a0ae96-4378-76c0-bd82-6377095555f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:58.480954Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000080107 |
| Status | PUBLIC |
Content hashes
| Canonical text | 659f61dc83d241458dc1fd59247013fa8aa8f7215c184e163b367c889e37f5fa |
|---|---|
| Markdown | 5a944c4b9696d53243041927ded28c58e3b179869aecd72b4206393b1a80e3c7 |
| Publication page | d3d392afde57f6336123d1922618a3edc2013dd0f6d294cf0787c5722927dd52 |
| Manifest | 0e7cae05e8c6e7d3fece31b30ede382e9e1af73185cb58baafdd1e107258e184 |
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 | PpTBiNXP3BBUNxIohX0kVxDjFyxGbaknLmQ2WZmk+zU/2QKakxTT8FtebNjoCH6qwElE6E5fvT4KLB20DO8IDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:04:02.942273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080107observed d3d392afde57f6336123d1922618a3ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:04:02.923360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080107/manifest.jsonobserved 0e7cae05e8c6e7d3fece31b30ede382e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:04:02.903942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080107/publication.mdobserved 5a944c4b9696d53243041927ded28c58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:04:02.885469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080107/publication.txtobserved 659f61dc83d241458dc1fd59247013fa...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. |
|---|