OT-2026-000048291
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000048291) never changes.
Identity and time
| Publication number | OT-2026-000048291 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de3-7dca-8a99-ce684c97a354 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048291 |
| Status | PUBLIC |
Content hashes
| Canonical text | dfb6cd1f559c2eda13c1d02e0a9522f6655c03c7233d690d8325d6868a9365dd |
|---|---|
| Markdown | 49947d35a44bc9503d4ee5bb29542ed6a4feb928b6f539da02b059186830b02f |
| Publication page | 2f80626301c9162bd587d4abb1e6e25cbe00a9d4f37cc01ca58fe1658931a609 |
| Manifest | 9f3bebf2f97edb0049a90c6b758bec2c26db222d10ee7a7361a8415f4ec02d5d |
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 | 6UfkBfL2UasYHB9Rg1ZBLneUJ3mE5hCeLBioDOrv75SgEXK8OpRVXoLjO0jSxCAl2UppUKabEMDCtPKl39OWBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:04:52.629775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048291observed 2f80626301c9162bd587d4abb1e6e25c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:04:52.609993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048291/manifest.jsonobserved 9f3bebf2f97edb0049a90c6b758bec2c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:52.588801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048291/publication.mdobserved 49947d35a44bc9503d4ee5bb29542ed6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:52.569546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048291/publication.txtobserved dfb6cd1f559c2eda13c1d02e0a9522f6...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. |
|---|