OT-2026-000042013
Publication integrity record
Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000042013) never changes.
Identity and time
| Publication number | OT-2026-000042013 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d70-7dbb-b70e-b66720b4b864 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042013 |
| Status | PUBLIC |
Content hashes
| Canonical text | b8ae3965179da83ade980e3ca08ecfae5c1fa13179675cdc2cb6ac0847ddedfb |
|---|---|
| Markdown | f52f440ba95a03afdbc77090b60265485dfcf5f3ee3c3e96ddecd1fccf5b6bcb |
| Publication page | 6966ddd7232d6e05b06e87893d84261f8ff27849ec17f6c4fea148a97054180b |
| Manifest | c3a551c2d52df24335ccc35d771778ff32ec9a84adaa0c5442efeab0ccd420b9 |
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 | BDQS2y9Cds/Z++owdI/QqJ8z7QDNjcPM9wvKmKwIl+7ZzjIT/4xw03gmmVBTO6Aluig4HEptPSmEKbYT46tYAg== |
| 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
| 2026-09-17T11:15:30.883251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042013observed 6966ddd7232d6e05b06e87893d84261f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:30.863613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042013/manifest.jsonobserved c3a551c2d52df24335ccc35d771778ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:30.843601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042013/publication.mdobserved f52f440ba95a03afdbc77090b6026548...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:30.823560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042013/publication.txtobserved b8ae3965179da83ade980e3ca08ecfae...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. |
|---|