OT-2026-000028540
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000028540) never changes.
Identity and time
| Publication number | OT-2026-000028540 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7fdb-ae47-b11c0f44fce7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028540 |
| Status | PUBLIC |
Content hashes
| Canonical text | e2d8a6c8fcbe1ad671e02e952fefa04a62b68132503617a7a8754c7f57fcb6b6 |
|---|---|
| Markdown | 0f36340fdb3ce2537d8f9e8a852d7369584d5c9f9bb54db6c13d3654f75d1312 |
| Publication page | 12725215c2b4f788b09deeae52166f915f6bcd4f5625b85dd0c0e3d428d6e7ab |
| Manifest | 23dfd099f8d85d682da39ec7c4b0b75a62ebeb77f7e2f39cfbf80c29e0521a8c |
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 | R/1fuAUa7HznoFEIz7/YQR8C7QdpfrMLj9PelJN73Bo3w7Hv7jOpWJ2uISHF4FpjUAcm6WSp6YInmKQkYythCQ== |
| 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
| 2026-09-17T11:40:49.001543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028540observed 12725215c2b4f788b09deeae52166f91...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:48.984447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028540/manifest.jsonobserved 23dfd099f8d85d682da39ec7c4b0b75a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:48.965615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028540/publication.mdobserved 0f36340fdb3ce2537d8f9e8a852d7369...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:48.946875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028540/publication.txtobserved e2d8a6c8fcbe1ad671e02e952fefa04a...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. |
|---|