OT-2026-000020263
Publication integrity record
Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000020263) never changes.
Identity and time
| Publication number | OT-2026-000020263 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-79af-8738-810b5f6d4d40 · 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-2026-000020263 |
| Status | PUBLIC |
Content hashes
| Canonical text | 497c537263bce9e8b9f4115f6447e1963fbb7df6e246f6893bb9d5b13cc0b73d |
|---|---|
| Markdown | 81c0839745b8105f7b08173cfb342ad6d4a6772d560be25b58173e96dcbd9d5d |
| Publication page | 9496021916cc568ec7e37e7f9d20a44724575fd8b3f6e47c98269d4da0bbb249 |
| Manifest | da6c471ac2a550813c9deb748727883c61bf72ee28a519db4fe9da86af192dfd |
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 | ATovXidMitiGUAk5hFfxGVBIvDmV+VM11h7soOBhUqfjnxFPlna1HmwSKjcGfJDo/I1d/K1SPoMX2vUv1YZWCg== |
| 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
| 2026-09-17T11:56:36.613164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020263observed 9496021916cc568ec7e37e7f9d20a447...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:36.595372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020263/manifest.jsonobserved da6c471ac2a550813c9deb748727883c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:36.578856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020263/publication.mdobserved 81c0839745b8105f7b08173cfb342ad6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:36.561855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020263/publication.txtobserved 497c537263bce9e8b9f4115f6447e196...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. |
|---|