OT-2026-000028220
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000028220) never changes.
Identity and time
| Publication number | OT-2026-000028220 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a521-78d6-b537-d4befe7c0372 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028220 |
| Status | PUBLIC |
Content hashes
| Canonical text | c976bf3f57d21b2ac743d30b5066d4fb99da4d0fb9267db6100da842b48e5a91 |
|---|---|
| Markdown | 5be71e7c80d40f37c33ec135798631d4272709e6cf50a71993f1757e7309dee4 |
| Publication page | 668569b0be56e17cd74e0ed8be03840d73f7e8f9d61f0751663aa1c5d36623bd |
| Manifest | 80c965b1190d443ce5c4de55d0c0e4ec425ca455f092ae03f8a820af87b12c0e |
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 | hL9IpSX5mxpfnjQ3bzHtTgQQ3HaocZnTZ6IOx2W3nrJlBTUpsXGfg1QnNxQ9DP5zhO8u2tWRl8pzAM9UG2KWAw== |
| 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
| 2026-09-17T11:42:35.021610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028220observed 668569b0be56e17cd74e0ed8be03840d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:35.004845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028220/manifest.jsonobserved 80c965b1190d443ce5c4de55d0c0e4ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:34.988384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028220/publication.mdobserved 5be71e7c80d40f37c33ec135798631d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:34.967409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028220/publication.txtobserved c976bf3f57d21b2ac743d30b5066d4fb...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. |
|---|