OT-2026-000020131
Publication integrity record
Four cup vacuum gripper, four zone face, three stage ejector, pulsed 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-2026-000020131) never changes.
Identity and time
| Publication number | OT-2026-000020131 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4378-71aa-aa1d-2bb7cdf90eaa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020131 |
| Status | PUBLIC |
Content hashes
| Canonical text | dd76c24bb66ded95709f7b67004a9d50e477667c67fcab7396efa6c56722f825 |
|---|---|
| Markdown | 5f9e05ecfb60c406600cd255c8fe1e306a079c8a2e7a48bd71d3a807d636bff8 |
| Publication page | c453c1e4d33a49adbbb49817517c0be24f23b35a267aa0f9529b233187ee8aa4 |
| Manifest | 257ec13c49734938663c6ee54f855d255e92d44c9aeadae6b93089e492399712 |
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 | 6zdta/DM7QBZtFpa96ylBX42h5CAdA2eJdhF6BiRNFEbIGJKJXIfz6vgrN0BhHHSPW+SqaUe11EI3bLebqchCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:56:26.323125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020131observed c453c1e4d33a49adbbb49817517c0be2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:26.302230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020131/manifest.jsonobserved 257ec13c49734938663c6ee54f855d25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:26.283434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020131/publication.mdobserved 5f9e05ecfb60c406600cd255c8fe1e30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:26.265539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020131/publication.txtobserved dd76c24bb66ded95709f7b67004a9d50...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. |
|---|