OT-2026-000028221
Publication integrity record
Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000028221) never changes.
Identity and time
| Publication number | OT-2026-000028221 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a521-7d20-8a4d-d6569db0c11a · 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-2026-000028221 |
| Status | PUBLIC |
Content hashes
| Canonical text | 648f2d2ad6a97e395d19e864c2bfab8a8852b1d78256a6e7680a9cebe3134a97 |
|---|---|
| Markdown | 579592c3336fe1e385d215917cf138afb4dc7e22bcd8627ae5695dbf78f7b8cf |
| Publication page | a379911cb5559ccd7af0d9ea1cef1be1c5b6a7362a392a856f1b56dd7db70622 |
| Manifest | 05fc2227967a85bea38dd341d9b852b93704bc18b39c31cd070c9714bb3aa667 |
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 | BmtcuWAdAPEeRoWmBf3DyPAmC+c8029z06pDeRI8DzD97fLtsBsR3EX0e95WPzDVF9+gD1ZmbEK27iLoVGGdAw== |
| 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
| 2026-09-17T11:42:35.091397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028221observed a379911cb5559ccd7af0d9ea1cef1be1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:35.075803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028221/manifest.jsonobserved 05fc2227967a85bea38dd341d9b852b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:35.057793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028221/publication.mdobserved 579592c3336fe1e385d215917cf138af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:35.040680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028221/publication.txtobserved 648f2d2ad6a97e395d19e864c2bfab8a...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. |
|---|