OT-2026-000021178
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down
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-2026-000021178) never changes.
Identity and time
| Publication number | OT-2026-000021178 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-70cc-a05d-33c7e3254ee3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021178 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5ff6a219e21f2058d8cf7f76e093e30e2a5c5c781c11e2cb524845c70a13b662 |
|---|---|
| Markdown | fd88b66e9d40589eee6564e0a675beb64ec1b9e3590ac2591901056d3b746a2a |
| Publication page | 21eebcf5f371208a74ade3adbbba881543e63562b772f885b7e8c0472ba12b53 |
| Manifest | f97c4acdbe360612fcf6295cace4437f7c8ecc2f7638817318bcd087a9254ddd |
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 | ALvQL7koY4sYg2Tf2M4EKB3dFqL3IcbtTv1EolZ92AdOMrgV/ivafHc44IKL9KQtke36l/BUCFBe9MZXSiWrDQ== |
| 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
| 2026-10-02T08:41:51.829393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021178observed 21eebcf5f371208a74ade3adbbba8815...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-02T08:41:51.754972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021178/manifest.jsonobserved f97c4acdbe360612fcf6295cace4437f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:51.681577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021178/publication.mdobserved fd88b66e9d40589eee6564e0a675beb6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:51.547062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021178/publication.txtobserved 5ff6a219e21f2058d8cf7f76e093e30e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:31.396191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021178observed 21eebcf5f371208a74ade3adbbba8815...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:31.344736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021178/manifest.jsonobserved f97c4acdbe360612fcf6295cace4437f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:31.051663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021178/publication.mdobserved fd88b66e9d40589eee6564e0a675beb6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T20:41:30.922702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021178/publication.txtobserved 5ff6a219e21f2058d8cf7f76e093e30e...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 |
|---|