OT-2026-000048840
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048840) never changes.
Identity and time
| Publication number | OT-2026-000048840 · never reused |
|---|---|
| Internal UUID | 01a0ae80-c32d-77d6-b3f4-2cca06cdcdfd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:34:29.321882Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048840 |
| Status | PUBLIC |
Content hashes
| Canonical text | 81e67fd2f8ce0e1bf7bc2efbbdcc45e94d0f30deb7e8cf6107dcbb69bc2cc339 |
|---|---|
| Markdown | bcbc158c0672302831b1e94a648c53af642573ab83dd030b0404ac47b9c8f90e |
| Publication page | 3c2d1b628564e4f822c284c953593a19a10072d5538004cbe4a2e16ecd31228b |
| Manifest | 87cce67f3b47942d1adf5815179826c78ff289a4f6c0b15699aa046161d4b734 |
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 | +ceOQhuYXLyDYmT9XftqB131MapnWuaz35DHUvr6B6GeWO9XRv0L0xyvIhihdLuVtjug0MH5TvOELdw8BErtBw== |
| 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
| 2026-09-17T16:42:02.109980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048840observed 3c2d1b628564e4f822c284c953593a19...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T16:42:01.775642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048840/manifest.jsonobserved 87cce67f3b47942d1adf5815179826c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:42:01.080061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048840/publication.mdobserved bcbc158c0672302831b1e94a648c53af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:42:00.093885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048840/publication.txtobserved 81e67fd2f8ce0e1bf7bc2efbbdcc45e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:38.109024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048840observed 3c2d1b628564e4f822c284c953593a19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:38.089579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048840/manifest.jsonobserved 87cce67f3b47942d1adf5815179826c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:38.070145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048840/publication.mdobserved bcbc158c0672302831b1e94a648c53af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:38.051096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048840/publication.txtobserved 81e67fd2f8ce0e1bf7bc2efbbdcc45e9...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. |
|---|