OT-2026-000004956
Publication integrity record
Bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure verified
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-2026-000004956) never changes.
Identity and time
| Publication number | OT-2026-000004956 · never reused |
|---|---|
| Internal UUID | 01a0a929-1c5a-7507-bcae-1e22e4fc92e6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:40:38.877362Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004956 |
| Status | PUBLIC |
Content hashes
| Canonical text | 76a12ea67c7909ee697081d89fe71a20b44d37362fa39314ad7221705812c3a4 |
|---|---|
| Markdown | abe71e9ef6f239f171588ef8a20910a22332b7aaef80d440e57ab013745de32e |
| Publication page | f594ecd4ef39482da9b16bfc069b69449f561821ffc3dae43352fd89b77f07b4 |
| Manifest | 4baf9915148dfa26cd35a0450d22cd5e145a19e323d23009e0af4961343a5e29 |
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 | 5A0xblqKMjV0I0agSL9LHvQgIeV20+W9kZomKzXtf/JMIWn16HzkL/PnOXCXFSgQ8MAwdulrP/rzigsrFo8TCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:50:31.209183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004956observed f594ecd4ef39482da9b16bfc069b6944...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:31.122666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004956/manifest.jsonobserved 4baf9915148dfa26cd35a0450d22cd5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:30.987411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004956/publication.mdobserved abe71e9ef6f239f171588ef8a20910a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:30.973944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004956/publication.txtobserved 76a12ea67c7909ee697081d89fe71a20...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. |
|---|