OT-2026-000056228
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained 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-2026-000056228) never changes.
Identity and time
| Publication number | OT-2026-000056228 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-7ade-a1ff-2f3458c1f9c1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056228 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7646a6f89f3b86f4adf8c488f59929b59c7ef481af93b4055c3f291b42185f66 |
|---|---|
| Markdown | 32a66b7376be6a16f978e802d01716e7964c096738c0b4c47fecef75582e0f30 |
| Publication page | a35d10a0932026a78f1ccabbd6dda4b9de4ac2f8cea6d80f652cbba94a193602 |
| Manifest | 87ca12b95d713cdca3d8f7703fbb019fc5b56227688410ea9796a5b448f81e4d |
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 | 9vSnjgtKDdiQill7/LAHBcHOfrnH810A/myEms6TYhQqFSTsP5kCvAGkFtHTFCIHSFBATFhizafT6DXcq5ReBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:50:42.364534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056228observed a35d10a0932026a78f1ccabbd6dda4b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:42.347410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056228/manifest.jsonobserved 87ca12b95d713cdca3d8f7703fbb019f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:42.329459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056228/publication.mdobserved 32a66b7376be6a16f978e802d01716e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:42.312366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056228/publication.txtobserved 7646a6f89f3b86f4adf8c488f59929b5...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. |
|---|