OT-2026-000028898
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000028898) never changes.
Identity and time
| Publication number | OT-2026-000028898 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7569-9bba-dbfcbe8c2cde · 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-2026-000028898 |
| Status | PUBLIC |
Content hashes
| Canonical text | d4a2c4a6090278289c9963dad0282ae86f819d84ffa3852178a8da0ce20912db |
|---|---|
| Markdown | c1252b58c2e279b72ea15d01b06f622c0c37ee84efffb0620885b8ed20f3cb4c |
| Publication page | fdd4f226b5ae12f3501b57b4c27b9f58410d3d22382afb082d68ae010434227f |
| Manifest | 8a030d7e8b96a92827f989f00e8538cfd9396c5c4ef016908b916e4594473780 |
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 | w4cCIqqHUBudc28s6ikniBgw7jV306hjhP9fq2qECUNRMYipP49C7tUTwNyMx0RvLgF6HuQvGHKDXP5W2SbkBw== |
| 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
| 2026-09-17T08:20:16.734596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028898observed fdd4f226b5ae12f3501b57b4c27b9f58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:16.717858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028898/manifest.jsonobserved 8a030d7e8b96a92827f989f00e8538cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:16.700861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028898/publication.mdobserved c1252b58c2e279b72ea15d01b06f622c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:16.682616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028898/publication.txtobserved d4a2c4a6090278289c9963dad0282ae8...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. |
|---|