OT-2026-000057870
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000057870) never changes.
Identity and time
| Publication number | OT-2026-000057870 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed8-7185-a963-c468c5b56224 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057870 |
| Status | PUBLIC |
Content hashes
| Canonical text | d261ececbca8e686a8cba4a29e70c55ea31a3d1694aaf9c8f652c129fd4b0553 |
|---|---|
| Markdown | c9cea63245fb29876390e64ca158b075f664e2206bee05729681960ce286dc48 |
| Publication page | 837a1426c5b44c7fd7221578f7a3a77531ba2a5aaa3f667e9a7a93224a04d84f |
| Manifest | 3e411712ae79ac67596c06ffc640db79dcddf2d3d7073ef7d2c9c09e0e7caf43 |
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 | 5NXyfLxFaWz6Cm2Zao73ss7sdpSlBff6ab33wAeQ/f51y92Vo6BhfTuAxknmL7TjYdQAvsB6J/fLzUs5A+fdDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-11-02T08:41:18.775593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057870observed 837a1426c5b44c7fd7221578f7a3a775...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T08:41:18.728741Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057870/manifest.jsonobserved 3e411712ae79ac67596c06ffc640db79...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T08:41:18.663405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057870/publication.mdobserved c9cea63245fb29876390e64ca158b075...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T08:41:18.574762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057870/publication.txtobserved d261ececbca8e686a8cba4a29e70c55e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T12:41:28.009321Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057870observed 837a1426c5b44c7fd7221578f7a3a775...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T12:41:27.959131Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057870/manifest.jsonobserved 3e411712ae79ac67596c06ffc640db79...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T12:41:27.882675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057870/publication.mdobserved c9cea63245fb29876390e64ca158b075...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T12:41:27.816627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057870/publication.txtobserved d261ececbca8e686a8cba4a29e70c55e...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 |
|---|