OT-2026-000104020
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000104020) never changes.
Identity and time
| Publication number | OT-2026-000104020 · never reused |
|---|---|
| Internal UUID | 01a0aea5-341e-7c66-85ef-98888f9b498d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:14:17.519068Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000104020 |
| Status | PUBLIC |
Content hashes
| Canonical text | c50b3d01dafc91ee995e2617c0ddfd919886544d011ec591660281641454a610 |
|---|---|
| Markdown | eec5e7d61ac73e91a96731d059c754b1dd60afb057383602eafc4e9bf9fde864 |
| Publication page | db74e6ad205ad13cda8acd14823f1ea77e3769eab1ba2696b44e1e9ec2bde7fd |
| Manifest | 98aba0cf77830fae0b4700f9a3520ed08cd85ff82ad9d924bce73b83549bb4b8 |
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 | ghUxlZhXiDwycouT0C8JFzuTycxr55mT0TzXBznpZujnr2butivoIbdbfhmjTCCtuoocRw02u4z94DPF4hc1CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:20:04.795068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000104020observed db74e6ad205ad13cda8acd14823f1ea7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:20:04.776647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000104020/manifest.jsonobserved 98aba0cf77830fae0b4700f9a3520ed0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:20:04.725550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000104020/publication.mdobserved eec5e7d61ac73e91a96731d059c754b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:20:04.675593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000104020/publication.txtobserved c50b3d01dafc91ee995e2617c0ddfd91...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. |
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