OT-2026-000019507
Publication integrity record
Three bellows cup vacuum gripper, three zone face, single 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-2026-000019507) never changes.
Identity and time
| Publication number | OT-2026-000019507 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7d2c-9146-744024b003b4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019507 |
| Status | PUBLIC |
Content hashes
| Canonical text | 91240bee01a4fb57d781e7a7120cb16eac5147ed895bc3092b95238e126d708f |
|---|---|
| Markdown | e77f48fefd09d15973de3799171530214f0ec68a9c86d5a53bc13da1b289b8f7 |
| Publication page | 236ca20e75786151eab26d6b042fbc017a09846644b0b0cf23221b0413a2e7e8 |
| Manifest | d60fe46a6dc9ac743362a123e01e92ed363df204f359df7a1533efdcb2ba6b04 |
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 | TrUtPh0TctSI9Hhw2FYL6tc9XO8vg8PQpnmfL9QLedmdJjlpw7xjkyDxq7uWPhbeewOE1P1/zFt0j7nteiQIBQ== |
| 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
| 2026-09-17T11:58:56.287551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019507observed 236ca20e75786151eab26d6b042fbc01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:56.269303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019507/manifest.jsonobserved d60fe46a6dc9ac743362a123e01e92ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:56.250653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019507/publication.mdobserved e77f48fefd09d15973de379917153021...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:56.232974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019507/publication.txtobserved 91240bee01a4fb57d781e7a7120cb16e...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. |
|---|