OT-2026-000052549
Publication integrity record
Two cup vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000052549) never changes.
Identity and time
| Publication number | OT-2026-000052549 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573b-74d2-89cc-e2a24c616a2e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052549 |
| Status | PUBLIC |
Content hashes
| Canonical text | b058145032bf0038827b4b96fb9eb263114c47e278ecc64e0750f876c12bf727 |
|---|---|
| Markdown | ed5e53e629aaf811fb443db12b04343f4736904cc9595c44b8c980ac0256e678 |
| Publication page | a73a387c95977605edf60f913dc5c7a8aeb1437901a692c2e2c6237a8a717f72 |
| Manifest | c7c9c17f2401dba22ceed5b5d3465717058f654f84173e85481bdc8055b3c50b |
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 | oJyEz0VtTlo7t+OJ8aCYdpWvtG7B8yGJ/mWD1kCllBMAEyxNgqsvwetILB3iTFjF8l7XDiFVtqVRSj+w+WhiAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:12.168342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052549observed a73a387c95977605edf60f913dc5c7a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:12.149833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052549/manifest.jsonobserved c7c9c17f2401dba22ceed5b5d3465717...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:12.132315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052549/publication.mdobserved ed5e53e629aaf811fb443db12b04343f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:12.113944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052549/publication.txtobserved b058145032bf0038827b4b96fb9eb263...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. |
|---|