OT-2026-000049949
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049949) never changes.
Identity and time
| Publication number | OT-2026-000049949 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd77-72c1-8806-d693578a682a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:49.774136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049949 |
| Status | PUBLIC |
Content hashes
| Canonical text | ee909d9bd66e01bba20597b4605a931bfacdfd3a9523dd917321d8666e280211 |
|---|---|
| Markdown | c4e3df0b1af16ba86c403e6aa9c27a5a2c2f4bb1906e986fe8ff42eaeeb5ca9c |
| Publication page | 653fd22698989cd9c02c241a40d57c0d22a02c7a866c9f2affcfd5030779af0b |
| Manifest | ba9aa270d0eddb0cb92d3ee3f409d6e50ad771638fe452e1150d686f853db20f |
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 | KTwuKax9Dt6YIj7qO7S8zBaZCGa95ypSZiqDQa7XLJgry6GsJ7Qk1uMS+7KtuTu0W60+z2XGujEBf2xAedExBA== |
| 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
| 2026-10-15T00:41:33.692159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049949observed 653fd22698989cd9c02c241a40d57c0d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T00:41:33.640874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049949/manifest.jsonobserved ba9aa270d0eddb0cb92d3ee3f409d6e5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T00:41:33.583288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049949/publication.mdobserved c4e3df0b1af16ba86c403e6aa9c27a5a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T00:41:33.461242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049949/publication.txtobserved ee909d9bd66e01bba20597b4605a931b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T20:41:48.739261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049949observed 653fd22698989cd9c02c241a40d57c0d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T20:41:48.589140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049949/manifest.jsonobserved ba9aa270d0eddb0cb92d3ee3f409d6e5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T20:41:48.492023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049949/publication.mdobserved c4e3df0b1af16ba86c403e6aa9c27a5a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T20:41:48.347459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049949/publication.txtobserved ee909d9bd66e01bba20597b4605a931b...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 |
|---|