OT-2026-000016302
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000016302) never changes.
Identity and time
| Publication number | OT-2026-000016302 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-2d12-7888-a270-58bac3472b52 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:11.237946Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000016302 |
| Status | PUBLIC |
Content hashes
| Canonical text | 402d42171e4716bfb7345dc30b20ec5bd2884d6be91193f3478a2452a7acea2b |
|---|---|
| Markdown | b7351b5e439153984679c8753ee38e9184edefbb59217119e1a6f4b711be6691 |
| Publication page | e70dc8ebe3494aca0b658c754feac272609eec3b0f459d46b010d86c7f7a9899 |
| Manifest | a5039096159f05af2ad863d47d9ba924f2faf67261928f9d2a418f3243f86f01 |
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 | hCzLwxKz6FAoD2VacHRl5cR8bOEAzVPpqBffcDbd6WfGk+cVeSZ2QUqliV9UmsC+G3LJBoz/hpbF8CkzqxXHAA== |
| 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
| 2026-10-11T16:41:26.780147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016302observed e70dc8ebe3494aca0b658c754feac272...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T16:41:26.688456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016302/manifest.jsonobserved a5039096159f05af2ad863d47d9ba924...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T16:41:26.613062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016302/publication.mdobserved b7351b5e439153984679c8753ee38e91...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T16:41:26.482031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016302/publication.txtobserved 402d42171e4716bfb7345dc30b20ec5b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:12.577704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016302observed e70dc8ebe3494aca0b658c754feac272...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:12.493767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016302/manifest.jsonobserved a5039096159f05af2ad863d47d9ba924...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:12.361262Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016302/publication.mdobserved b7351b5e439153984679c8753ee38e91...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:12.234938Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016302/publication.txtobserved 402d42171e4716bfb7345dc30b20ec5b...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 |
|---|