OT-2026-000046552
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000046552) never changes.
Identity and time
| Publication number | OT-2026-000046552 · never reused |
|---|---|
| Internal UUID | 01a0ae7e-57dd-762b-afce-14f66edce5a6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:31:51.003526Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000046552 |
| Status | PUBLIC |
Content hashes
| Canonical text | f3463f88746abcf160793ae631794513ef447d97ae4b9771c0779ff9475bdc7e |
|---|---|
| Markdown | eb5e5bfa98d022dc2533bd388071c2ca5a6d8e6928a31398a232ef067c84cff1 |
| Publication page | 020c0dd8e17ad66b35c6e6da4bb105d4818bd2f095e3cc709bafb05da57ce253 |
| Manifest | a866c26708b6427d85894358afd6db43872f7dcdd7000b91fcdd0ff0caa18c8e |
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 | VqtkPrz2cDMtKBf6ORsw5qBVHPWDvzSiIxJLhnEiC16Tc5AYZLOUhL0nbuqceRYy38Pd3730sdauSbg6E9qhAA== |
| 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
| 2026-10-06T00:41:04.640124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046552observed 020c0dd8e17ad66b35c6e6da4bb105d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T00:41:04.588562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046552/manifest.jsonobserved a866c26708b6427d85894358afd6db43...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T00:41:04.497453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046552/publication.mdobserved eb5e5bfa98d022dc2533bd388071c2ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T00:41:04.381930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046552/publication.txtobserved f3463f88746abcf160793ae631794513...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:51.336902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046552observed 020c0dd8e17ad66b35c6e6da4bb105d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:51.187283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046552/manifest.jsonobserved a866c26708b6427d85894358afd6db43...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:51.065188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046552/publication.mdobserved eb5e5bfa98d022dc2533bd388071c2ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:50.858076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000046552/publication.txtobserved f3463f88746abcf160793ae631794513...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|