OT-2026-000028809
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000028809) never changes.
Identity and time
| Publication number | OT-2026-000028809 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-74d1-8cc7-7fd9373dbe16 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028809 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2a288427592dfe9718bac744bdce3697ccbdb2c391cfcbcdb9891a6c4a62277a |
|---|---|
| Markdown | 5db2a943a8ded02464a68b988ed473214899d5eeadb5a98c7e64196d89d2576c |
| Publication page | 99a9ff1df001e245e69b855234780269b234c1d452aeeec31c5436506e2d47dd |
| Manifest | 2c014b452f7cf0ba489b1e425ce2803fd2b51a0d2b6d5210ab233d816a73f029 |
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 | dPcsaE1JxMTUoJKvPGa7H8GSINmYTPVIDTNJSpTX/lAEsdAUWHDQIaA7ts5B7t2UQiPKhLuYbd6tret+kNrECQ== |
| 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
| 2026-09-17T11:40:04.302320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028809observed 99a9ff1df001e245e69b855234780269...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:04.281851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028809/manifest.jsonobserved 2c014b452f7cf0ba489b1e425ce2803f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.265643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028809/publication.mdobserved 5db2a943a8ded02464a68b988ed47321...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.243096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028809/publication.txtobserved 2a288427592dfe9718bac744bdce3697...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. |
|---|