OT-2026-000028877
Publication integrity record
Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000028877) never changes.
Identity and time
| Publication number | OT-2026-000028877 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7a09-a899-e0ea557690df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028877 |
| Status | PUBLIC |
Content hashes
| Canonical text | f1ae0f056cc06c879ca005f440af201e86ec6a8ef6b319dff5b9b66a490c3c29 |
|---|---|
| Markdown | 0c0cf9b39e0509b2473177351d0632c00ef9a44bd37497b1d0bf0d9f83f4833f |
| Publication page | a54fc68ef3b8c69a701614b1ea3dc57a640be2098c3034f2965a495e23c8455c |
| Manifest | 4b8bf076196c1c42060e7ecd4da2b8e055eb38cba96fa823eabfa1ade9693ab3 |
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 | GGH/2o5b+v5ruFefRjyCXnE+RdwO5X3pEPHpMlTYc9NdSJP/rSmE3EWSV6Efb2JyYOsEb2fxct9gzJvBqGgODQ== |
| 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
| 2026-09-17T08:20:13.790432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028877observed a54fc68ef3b8c69a701614b1ea3dc57a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:13.771831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028877/manifest.jsonobserved 4b8bf076196c1c42060e7ecd4da2b8e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:13.755178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028877/publication.mdobserved 0c0cf9b39e0509b2473177351d0632c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:13.737799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028877/publication.txtobserved f1ae0f056cc06c879ca005f440af201e...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. |
|---|