OT-2026-000021867
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000021867) never changes.
Identity and time
| Publication number | OT-2026-000021867 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-700c-9ad4-4e81d9a328be · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021867 |
| Status | PUBLIC |
Content hashes
| Canonical text | c8b54d334d2d21525fc7c176224d957b11b3d48e3c5019d44f1706efcfbea9fc |
|---|---|
| Markdown | 6324185583852cbe05f66a68e96e428a93bcba2569b3d9a467962606ea487fbf |
| Publication page | 22ba31e2bcd4c7cec385a9b25c220252543663aa9bb3dc94f93173098d404a4e |
| Manifest | c160b496283e0055e678461d7fd7b795692c227f1063c1abd6279c8219fc8336 |
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 | 8nvPJVX6VWO4sRdIbNE9VvUzAiWvdVtEjnfcALKiXaDTGbUIAHKl7hxWl46mDzLUuWi7+MfzuGYo42q8QUHXBA== |
| 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
| 2026-09-17T11:54:25.870273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021867observed 22ba31e2bcd4c7cec385a9b25c220252...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:25.852377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021867/manifest.jsonobserved c160b496283e0055e678461d7fd7b795...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:25.831205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021867/publication.mdobserved 6324185583852cbe05f66a68e96e428a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:25.814265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021867/publication.txtobserved c8b54d334d2d21525fc7c176224d957b...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. |
|---|