OT-2026-000007461
Publication integrity record
Vacuum cup gripper, four zone face, per zone isolation, pump fed, silicone cups, flat form
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-2026-000007461) never changes.
Identity and time
| Publication number | OT-2026-000007461 · never reused |
|---|---|
| Internal UUID | 01a0a97f-a6db-7b39-9831-f77ae36783de · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:15:10.431656Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007461 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7285bd1b46e26ac5958627f6288570bcca3b8c08a473c2878bc041de2e8a533b |
|---|---|
| Markdown | 905fe0573a845769921d9c9a86304aa6abe1b8eb9bbdb70a600de457b8b001ff |
| Publication page | 5658ec93e5fae74eb2510bf8691370373cf985698ccee25a9a1c0236b53ef44e |
| Manifest | 8ebd64bcf342c936d09eeb6ce615793ef960a897834d716b4193c7c46076168c |
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 | vdmZOYRm6pQCDf6IA+ixLTf43nTBmP+WkvxhguCYJgnypqwJeUvcakSDGKrFVChRcLAm4Di0aL0+O79RZsF2BQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:20:04.112988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007461observed 5658ec93e5fae74eb2510bf869137037...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:20:04.100985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007461/manifest.jsonobserved 8ebd64bcf342c936d09eeb6ce615793e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:04.087027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007461/publication.mdobserved 905fe0573a845769921d9c9a86304aa6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:04.072835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007461/publication.txtobserved 7285bd1b46e26ac5958627f6288570bc...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. |
|---|