OT-2026-000042889
Publication integrity record
Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000042889) never changes.
Identity and time
| Publication number | OT-2026-000042889 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-78c0-b0b6-5b2f7d4fbb93 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042889 |
| Status | PUBLIC |
Content hashes
| Canonical text | eea9fd83c3280f2478eba7c1c1981d350c7d7fb0f8b76bd825b9519ba1f9b01b |
|---|---|
| Markdown | 08c9f0599dbbe72ab58a7fadf9c9b6d48c4e37fb7965d7e31d91a876d6a5ee5b |
| Publication page | ad18ddc9d979c5a52bac9b5a61866bee500b281bd1521944cba42cf9ffba1cc9 |
| Manifest | ee1d72b480ef8d91a73eaf6e89d5a82cd3d4201bcb08e0ef8b95063a9d9b343c |
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 | wPKzqpdY53chGQ7eIWWMEQfmvbLN34K+6slvKVFXGXxLxDNVWGRrRdP+PWax/CL9joJp8fexGw51IdA6NkqrAw== |
| 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
| 2026-09-17T11:15:23.510536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042889observed ad18ddc9d979c5a52bac9b5a61866bee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:23.489481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042889/manifest.jsonobserved ee1d72b480ef8d91a73eaf6e89d5a82c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:23.469697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042889/publication.mdobserved 08c9f0599dbbe72ab58a7fadf9c9b6d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:23.451078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042889/publication.txtobserved eea9fd83c3280f2478eba7c1c1981d35...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. |
|---|