OT-2026-000020321
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000020321) never changes.
Identity and time
| Publication number | OT-2026-000020321 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7928-8bc0-400902ba0035 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020321 |
| Status | PUBLIC |
Content hashes
| Canonical text | 69029f67e4dc88931bb20816518e1b9a11af23e3f33503de79f1ad0b6d7a3246 |
|---|---|
| Markdown | f4000898a9ba5f9eb4f8016eda56132c1c9118fe9e05e50c19933feb395fe69d |
| Publication page | 788b313cc21d8e9849af6d7bd8be2a5feb16571cf6b48f50e62d4f59a145c57e |
| Manifest | b977a287921e11583386530e95ebd879897029e19206ba3becf984e5cb06fa5f |
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 | BnJU3l4q0Hvffz+3lAlUhy6xdl4vg5kmkH8wfyBLfwdvVP5F3KIvqGHAYwy0LDOPVOyX+z/mnrBwUzbCzEM3Cg== |
| 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
| 2026-09-17T12:00:05.655065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020321observed 788b313cc21d8e9849af6d7bd8be2a5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:05.628567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020321/manifest.jsonobserved b977a287921e11583386530e95ebd879...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:05.610103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020321/publication.mdobserved f4000898a9ba5f9eb4f8016eda56132c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:05.591232Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020321/publication.txtobserved 69029f67e4dc88931bb20816518e1b9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:16.264163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020321observed 788b313cc21d8e9849af6d7bd8be2a5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:16.243232Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020321/manifest.jsonobserved b977a287921e11583386530e95ebd879...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:16.219829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020321/publication.mdobserved f4000898a9ba5f9eb4f8016eda56132c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:16.197286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020321/publication.txtobserved 69029f67e4dc88931bb20816518e1b9a...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|