OT-2026-000020229
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000020229) never changes.
Identity and time
| Publication number | OT-2026-000020229 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-769c-af13-119ac1db12ae · 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-2026-000020229 |
| Status | PUBLIC |
Content hashes
| Canonical text | f045f2eb7d5d49b40e634f671312c43db4020fcec45a69cc58bb44d6c90c9013 |
|---|---|
| Markdown | d25ed9a8fc060a4b6aa1953740d804c9d8103af910fefb72143a03edf0ef8f94 |
| Publication page | c9425b806123368c3196e8bdf92a20f789dc74e595d8e3cee991f42f175b958b |
| Manifest | bd67b7c254d9bc6b6e1c8a75036adf07e20ddbd97ccd1f988fc53c78c9346bd7 |
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 | mHb+Be6OaYFODKWaGKJWVHP25oLE1p87P4pBJBF/MyCXljS3h0WlDbOe5de1L7Q+IhEhWRiRsvb2YtOnwH7JBA== |
| 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
| 2026-09-17T11:56:33.975639Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020229observed c9425b806123368c3196e8bdf92a20f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:33.959421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020229/manifest.jsonobserved bd67b7c254d9bc6b6e1c8a75036adf07...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:33.940458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020229/publication.mdobserved d25ed9a8fc060a4b6aa1953740d804c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:33.922296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020229/publication.txtobserved f045f2eb7d5d49b40e634f671312c43d...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. |
|---|