OT-2026-000028881
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000028881) never changes.
Identity and time
| Publication number | OT-2026-000028881 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-77d1-8ba2-8a7b8884828c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028881 |
| Status | PUBLIC |
Content hashes
| Canonical text | fbb659c65130f960c7599acf1f7d30cbb43b8e6a8a519f3b402dddbebc1b0e94 |
|---|---|
| Markdown | 724733f2c16e3a76e1afbd1b2a4107ae9b3afc694ebc4b2d1067a85f68274055 |
| Publication page | 5b35ac9dd20dbb8d5bd36e17d6948c28bdb9b4ac96e9edb1e01e860ef81bb1b5 |
| Manifest | 33df45deaf953c5ba624ace86fbacc84518e4b759777cbb6ed66c505113893d8 |
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 | KAOSrzeI5RGVR0Thj89tlplUAIBFo6f+vxVZSYSM290+H7eSUcy6/SRsho0Y3hCRveSDBE0YDS+5FS0ZAgFKDA== |
| 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
| 2026-09-17T08:20:14.524981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028881observed 5b35ac9dd20dbb8d5bd36e17d6948c28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:14.508880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028881/manifest.jsonobserved 33df45deaf953c5ba624ace86fbacc84...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:14.489600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028881/publication.mdobserved 724733f2c16e3a76e1afbd1b2a4107ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:14.470048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028881/publication.txtobserved fbb659c65130f960c7599acf1f7d30cb...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. |
|---|