OT-2026-000019715
Publication integrity record
Three cup vacuum gripper, three 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-2026-000019715) never changes.
Identity and time
| Publication number | OT-2026-000019715 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb4-727d-95ff-2af2eab22364 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019715 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2ac6735c02931b82ded71209115f5941bdf92f6e3b769913f932e4e89f06e358 |
|---|---|
| Markdown | 7f70d43ebcde6da60dfe4dc75fda91bcc42699430bd146a112359a62a71fcd47 |
| Publication page | af37d97725720bb35a4a2b41a445924a9541abcf256bcfe9a61d64fdb479c9f3 |
| Manifest | 8af0ebc2daa030f59815076be25ae455ea6fbf86e94bdb64bd36d8244233d1ff |
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 | S8EvF1U2KjVxeje3GuD3cdX9hldfYNo09yZ98tMJx2gR/PaE9dQD8QVcpqMABFLucsLRzBqFBZWGepWjWwxNDw== |
| 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
| 2026-09-17T11:57:48.135738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019715observed af37d97725720bb35a4a2b41a445924a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:57:48.117023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019715/manifest.jsonobserved 8af0ebc2daa030f59815076be25ae455...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:48.096994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019715/publication.mdobserved 7f70d43ebcde6da60dfe4dc75fda91bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:48.077773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019715/publication.txtobserved 2ac6735c02931b82ded71209115f5941...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. |
|---|