OT-2026-000060720
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000060720) never changes.
Identity and time
| Publication number | OT-2026-000060720 · never reused |
|---|---|
| Internal UUID | 01a0ae8a-b7ce-7c4c-85c1-57e2baf000e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:45:21.818756Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000060720 |
| Status | PUBLIC |
Content hashes
| Canonical text | d1c46fe2f2a65278f62e9a0dcb99e831cfd720162e2c92e8cb2d7b5b50526a47 |
|---|---|
| Markdown | f107a76b26496d93131ebb0e2becaf9bd468cec2ca0c3d35622f95d69deadbcd |
| Publication page | 2abe0147646741731ec1c28b197b3c90148d175acbba576d0b1dc4a03f6d6434 |
| Manifest | 9c7c5ed0465a156bec2a4cbc666d1b4645785eec8418e2800a729151191e642e |
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 | H/teTaotH0y1K5zI/H1fAy3vk8vvB+oRny/2omfVTKcXgnBBmp6nyie9LqFkgh3x3OR+/1JmjSdKsTE/56LDBA== |
| 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
| 2026-10-10T00:41:54.422444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060720observed 2abe0147646741731ec1c28b197b3c90...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-10T00:41:54.317775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060720/manifest.jsonobserved 9c7c5ed0465a156bec2a4cbc666d1b46...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T00:41:54.210900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060720/publication.mdobserved f107a76b26496d93131ebb0e2becaf9b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T00:41:54.100582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060720/publication.txtobserved d1c46fe2f2a65278f62e9a0dcb99e831...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T20:41:21.052947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060720observed 2abe0147646741731ec1c28b197b3c90...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T20:41:20.998167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060720/manifest.jsonobserved 9c7c5ed0465a156bec2a4cbc666d1b46...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T20:41:20.941747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060720/publication.mdobserved f107a76b26496d93131ebb0e2becaf9b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T20:41:20.882270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000060720/publication.txtobserved d1c46fe2f2a65278f62e9a0dcb99e831...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 |
|---|