OT-2026-000051975
Publication integrity record
Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000051975) never changes.
Identity and time
| Publication number | OT-2026-000051975 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e78e-7cb1-8ca5-6c5ada66e970 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000051975 |
| Status | PUBLIC |
Content hashes
| Canonical text | ed58efc196f1c0b378c24891abb4ad56b8d4f24ae479bb8d4444b6a64abb6bc6 |
|---|---|
| Markdown | bdf04c2245fb37dd8db82ff2da104b44ff29a121ad092b0de1c9e836069c19b7 |
| Publication page | fdf11bef5530b183fb153dd7246a4c76b785af3b744924da2b17a18aaa7b3351 |
| Manifest | aec301513fa5b285e65bfacffa419e64b4c68b7f79010d09a79175cb1e600721 |
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 | XheFV+qsmd9Nw5+EKu4ScdDVDBQdN1bGJ5pcudsIoYUE6WAKGJMjUh7NlhjwHjmm1CrM7xperbVoeZlPSKQTCA== |
| 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
| 2026-09-17T08:44:27.239701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051975observed fdf11bef5530b183fb153dd7246a4c76...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:44:26.990637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051975/manifest.jsonobserved aec301513fa5b285e65bfacffa419e64...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:44:26.751377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051975/publication.mdobserved bdf04c2245fb37dd8db82ff2da104b44...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:44:26.246459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051975/publication.txtobserved ed58efc196f1c0b378c24891abb4ad56...fetched by grabo-systems from 34.44.131.203, 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. |
|---|