OT-2026-000028580
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000028580) never changes.
Identity and time
| Publication number | OT-2026-000028580 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-73c9-a5ec-9383c069692f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028580 |
| Status | PUBLIC |
Content hashes
| Canonical text | e26f18df9813ba6b95d01412f8e42aca460c465e42742d96217c327c23e3e513 |
|---|---|
| Markdown | 51f9deea1978c359b6920102b62476e938cef9caf5c32ce62181d82631d83214 |
| Publication page | 6bf3db3da727cc40f008ab73f9b183ad3249ba9e5a36297baba16d49a2e89e1f |
| Manifest | a470d562421167d242e6417b99374139cdd1ccfda1f81514ef0a320e50401c53 |
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 | JO71nx/HNb1M4viuh/PNdHT4y5Rmv7/8nacgWFlm0xd6CsNMiOgR8BNTiElwgXZbg8BwGJpA5bz2k/4PE2QJAA== |
| 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
| 2026-09-17T11:40:52.298227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028580observed 6bf3db3da727cc40f008ab73f9b183ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:52.280958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028580/manifest.jsonobserved a470d562421167d242e6417b99374139...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:52.263889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028580/publication.mdobserved 51f9deea1978c359b6920102b62476e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:52.244825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028580/publication.txtobserved e26f18df9813ba6b95d01412f8e42aca...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. |
|---|