OT-2026-000004872
Publication integrity record
Bellows cup vacuum gripper, two zone face, ejector fed, pressure verified at each zone
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-2026-000004872) never changes.
Identity and time
| Publication number | OT-2026-000004872 · never reused |
|---|---|
| Internal UUID | 01a0a926-1329-7174-8fed-d7b433efdcde · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:37:19.915958Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004872 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4e5bf65ad59cabe426c8e80db2eed6e3f33c888bc07148c990abb987e4c6c510 |
|---|---|
| Markdown | 2e3fa73608d2c541584f888e105f1a4ee4d657b447288a4714b80b0ae36acf61 |
| Publication page | ee304edcda131e2991bbdfd31b1347908271733ab33da02e65358604a2ee2696 |
| Manifest | d2d0f684f9c8bb53131950780f5992f8034f751bef04d13305cc11eceee60cd5 |
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 | 93miZDp0xKn/peMEG1v50Inru9+WVlhjdeaeMpiXJUJhtHb+abgHMvj5NdGkA2TjYaX3zc7gow7sm623D7FPBg== |
| 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
| 2026-09-16T07:40:09.936268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004872observed ee304edcda131e2991bbdfd31b134790...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:09.923213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004872/manifest.jsonobserved d2d0f684f9c8bb53131950780f5992f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:09.909253Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004872/publication.mdobserved 2e3fa73608d2c541584f888e105f1a4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:09.895414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004872/publication.txtobserved 4e5bf65ad59cabe426c8e80db2eed6e3...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. |
|---|