OT-2026-000049300
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after set-down
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-2026-000049300) never changes.
Identity and time
| Publication number | OT-2026-000049300 · never reused |
|---|---|
| Internal UUID | 01a0ae81-1350-74ce-bd63-984be8857ec6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:34:49.967260Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049300 |
| Status | PUBLIC |
Content hashes
| Canonical text | c3f4b45b441286a8126ef742aedcaea181d988ea28da233c8a5a78a860863a9d |
|---|---|
| Markdown | 085e6b177311f81755d81b1b1aad6fcb7405da54a480cb8246f637fe74b83b4d |
| Publication page | 40861f90de10df3f6031e041b19ae45852bf9968a3bdd8be342e061d8f6ee884 |
| Manifest | 07ec8e4866621d86508bfa2d08ff7496adf996415d61fb57242b29ea9475a68d |
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 | /hpGS5bOdA4IGP5c81nGoNbWW2nVjNCPy+Bwg2Z2fGOxeYRkZG6SDxvmsHZPrHJT+n7+79OhUmBzySgqXbfWCA== |
| 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
| 2026-09-17T11:04:09.863371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049300observed 40861f90de10df3f6031e041b19ae458...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:04:09.843611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049300/manifest.jsonobserved 07ec8e4866621d86508bfa2d08ff7496...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:09.825112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049300/publication.mdobserved 085e6b177311f81755d81b1b1aad6fcb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:09.805337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049300/publication.txtobserved c3f4b45b441286a8126ef742aedcaea1...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. |
|---|