OT-2026-000004678
Publication integrity record
Vacuum cup gripper, two zone face, pump fed, contact triggered on the face
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-2026-000004678) never changes.
Identity and time
| Publication number | OT-2026-000004678 · never reused |
|---|---|
| Internal UUID | 01a0a91f-d85c-7dac-bd6e-694438d879f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:30:31.647089Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004678 |
| Status | PUBLIC |
Content hashes
| Canonical text | 485a2bf1d825de2e330e53e1e4c886710565d6d5ef892d467ca13a6f19d06b92 |
|---|---|
| Markdown | 6b426b38a277066510d5e6aa6099b9cf4c6073494a19e8577cc28dd8c5bf0a8c |
| Publication page | f41bd673a267f1e3474b124fc75fbd62ef26b6c3637b2e4df934558422c41cf9 |
| Manifest | 7245684ad3975cf221607002e64f97361409dda69b478aa42e7fd45d128a5406 |
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 | vzRu8plS+ilHE9oC47FJ5OOcPKRJBnhcSsllNAqhdNtkXBc9MZOiKQHR8ZLmw/U43NOgPh+Ex0Cfz3oV+91rAQ== |
| 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
| 2026-09-16T07:40:30.467890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004678observed f41bd673a267f1e3474b124fc75fbd62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:30.454525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004678/manifest.jsonobserved 7245684ad3975cf221607002e64f9736...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:30.440726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004678/publication.mdobserved 6b426b38a277066510d5e6aa6099b9cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:30.427951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004678/publication.txtobserved 485a2bf1d825de2e330e53e1e4c88671...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. |
|---|