OT-2026-000020937
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000020937) never changes.
Identity and time
| Publication number | OT-2026-000020937 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-77c0-b457-5e06ccb42af6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020937 |
| Status | PUBLIC |
Content hashes
| Canonical text | b772657ee95aa224843e3fc075a03f9421869a529d56e53c35ea5074727c030f |
|---|---|
| Markdown | 721b913f636da1309edae9c83cc3ebb153ae0dbefaf3eaf977cb6f86e3594dfd |
| Publication page | 9fb11ba00f8e9ed2d7dd8b4471bef11f321ae41b0ac39618b70d30e78ae8e11c |
| Manifest | aaa48990e1f89d7cfeb89743ef82061ec063edf0385eeb83a7267d83c207e664 |
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 | FYhJUeipaBKGFvBeMvP1WE9I68B9s2nJMm0M0K+rZjkjfn3pfnHTmNRSEnrmqTAEiqYQUaJQgWJInkeoDfAmAg== |
| 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
| 2026-10-03T04:41:57.011074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020937observed 9fb11ba00f8e9ed2d7dd8b4471bef11f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-03T04:41:56.935022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020937/manifest.jsonobserved aaa48990e1f89d7cfeb89743ef82061e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:41:56.839475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020937/publication.mdobserved 721b913f636da1309edae9c83cc3ebb1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:41:56.719641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020937/publication.txtobserved b772657ee95aa224843e3fc075a03f94...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:33.235060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020937observed 9fb11ba00f8e9ed2d7dd8b4471bef11f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:33.176559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020937/manifest.jsonobserved aaa48990e1f89d7cfeb89743ef82061e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:33.106569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020937/publication.mdobserved 721b913f636da1309edae9c83cc3ebb1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:33.010373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020937/publication.txtobserved b772657ee95aa224843e3fc075a03f94...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 |
|---|