OT-2026-000075620
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000075620) never changes.
Identity and time
| Publication number | OT-2026-000075620 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29fd-7de0-b983-be3c7cdf81eb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075620 |
| Status | PUBLIC |
Content hashes
| Canonical text | f1f1c65d6c2bb86a1f13e700b2c9f0868222ba3fdd9d99fca04d693a232fffec |
|---|---|
| Markdown | 53a6e699e460a478c3184b7822ff07185f53b25da419a35bc4a99a792684b7c9 |
| Publication page | 4e5f8280d6cf27164a7e1b93f63c72dca12c36595132d39faf3ecbacf65e4e75 |
| Manifest | af5d4f8451b73eaf7a7b2cc6c6c1e8224ace726ba0400c66ee68ca04fe7a4e41 |
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 | 40ePVuJaKZ5x0hBoezOW8Pji+OQp5aAFGYTJoqOko9DqGQVJ5Lk3E3uSGMYQz9DGwOLGqVUdoj3WRBhTt7HcDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:13:02.238257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075620observed 4e5f8280d6cf27164a7e1b93f63c72dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:13:01.800365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075620/manifest.jsonobserved af5d4f8451b73eaf7a7b2cc6c6c1e822...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:01.781450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075620/publication.mdobserved 53a6e699e460a478c3184b7822ff0718...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:01.760626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075620/publication.txtobserved f1f1c65d6c2bb86a1f13e700b2c9f086...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. |
|---|