OT-2026-000042520
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000042520) never changes.
Identity and time
| Publication number | OT-2026-000042520 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-7b2b-a24e-80ba1eeba0e2 · 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-2026-000042520 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7eef448f29329e54998cea16e5b6d71d26c249f0b8c8c8e466ac4d551c68f9f0 |
|---|---|
| Markdown | f637f39354a2050dc1c9db68fe72772c0647ab5c8db3b1da4e22f537f13d73d4 |
| Publication page | a449afb64a53eceabe6cef8fe910820ee2daf743c9edc8e3335f0a5c8a369831 |
| Manifest | c3daea04a9eded61b54a6f7405f1761211bc901122e3aa8fc4d7c8273e4cb825 |
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 | k/h5Q8ZnjPUxwyBSD+7tQ1rD6z5cvtVtyz+oLOjboRKDWzr2VKayJgCNuZ8VNW5PB3jkxB5xWuYRYWSq6G+EBQ== |
| 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
| 2026-09-17T11:14:06.245481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042520observed a449afb64a53eceabe6cef8fe910820e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:06.224646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042520/manifest.jsonobserved c3daea04a9eded61b54a6f7405f17612...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:06.202426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042520/publication.mdobserved f637f39354a2050dc1c9db68fe72772c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:06.183049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042520/publication.txtobserved 7eef448f29329e54998cea16e5b6d71d...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. |
|---|