OT-2026-000048333
Publication integrity record
Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048333) never changes.
Identity and time
| Publication number | OT-2026-000048333 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de4-72d1-acb6-c5b0ec6d98e9 · 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-2026-000048333 |
| Status | PUBLIC |
Content hashes
| Canonical text | 29189a65380f53d42bee7c62d5b4bf62fbfff7396d8cf66e6ccd81b38b906175 |
|---|---|
| Markdown | 7228a32840858b387daf8253aabb86849d02b0a6032671b13ccceb40632c91a6 |
| Publication page | c9869b0e16c336348797f69f66ecd1c1d39567ec5071bcfdc0e400bdbc7d85b9 |
| Manifest | a975deac1f927dd3275bb14758a07fb3a156327a8a31146114511318f3cf6ba1 |
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 | 1a1UW7yPVy7TF0LVNTsaXlnn2Iy7rSAe0onvTLAFrIJxf5DGhzHSqb86mTH5wXptqDSX0S2JdCIwwFMvVPHQDw== |
| 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
| 2026-10-19T08:41:53.922796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048333observed c9869b0e16c336348797f69f66ecd1c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T08:41:53.871289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048333/manifest.jsonobserved a975deac1f927dd3275bb14758a07fb3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T08:41:53.799443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048333/publication.mdobserved 7228a32840858b387daf8253aabb8684...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T08:41:53.660004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048333/publication.txtobserved 29189a65380f53d42bee7c62d5b4bf62...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:51.553168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048333observed c9869b0e16c336348797f69f66ecd1c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:51.460835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048333/manifest.jsonobserved a975deac1f927dd3275bb14758a07fb3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:51.335581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048333/publication.mdobserved 7228a32840858b387daf8253aabb8684...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:51.221037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048333/publication.txtobserved 29189a65380f53d42bee7c62d5b4bf62...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|