OT-2026-000022473
Publication integrity record
Single cup vacuum gripper, single stage ejector, 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-2026-000022473) never changes.
Identity and time
| Publication number | OT-2026-000022473 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fe-7e47-9b3b-7f7cef8109ce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022473 |
| Status | PUBLIC |
Content hashes
| Canonical text | 616068c27d9215869e8fa33cf96792231fd2e409368943842b024eafcba54061 |
|---|---|
| Markdown | 4aca9ea8a0c2723c18fd1584cc4f500521efcfb7ce99c17394a449cd778385bc |
| Publication page | 69cfffee9aae2f1149e8f3aad2bb4c3cd6e341b7aed8f403264268987ffd0aa1 |
| Manifest | 033780106904de4030419d4358f81994dfde8072c96c73c3cb549277ec361a12 |
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 | HRJWT4Tzg8He6alfqHbwEEn7USmtIJaQdkWk7kJUcFNuK6o7MgE8nbccYPNwf0H4vlf+y81fSD+DarEFC9UQBA== |
| 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
| 2026-09-17T11:53:52.528320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022473observed 69cfffee9aae2f1149e8f3aad2bb4c3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:53:52.509888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022473/manifest.jsonobserved 033780106904de4030419d4358f81994...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:52.492828Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022473/publication.mdobserved 4aca9ea8a0c2723c18fd1584cc4f5005...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:52.476497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022473/publication.txtobserved 616068c27d9215869e8fa33cf9679223...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. |
|---|