OT-2026-000016885
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000016885) never changes.
Identity and time
| Publication number | OT-2026-000016885 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-591a-759a-9642-c669fbae1d16 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:22.507214Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000016885 |
| Status | PUBLIC |
Content hashes
| Canonical text | f909f88ef23c244370e666da740807f5303b51d2760a466987d14b7e6e2810c8 |
|---|---|
| Markdown | d23ca482e09877f1003d1ea6e9c9ac8b57d0f831b343d6be75dcc23f83346ef6 |
| Publication page | 43dcdf4e1e2e0e6c21a8dd8846e53d104c01921845cecf3bfe694be8b28e165c |
| Manifest | 3e4fe708ce48d30b62d9ea64bf75242d3ece1ebefa8b0abdf923ca7b698bdd83 |
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 | bjSXpMHzebUGkaby5NiyAqhfx06qNqIBzMCjfrkfZ1EVAi1MwiFl7DC6oWwLve7qwnnRmCFKqrsMa2tsrvUfDA== |
| 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
| 2026-10-20T20:41:40.490884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016885observed 43dcdf4e1e2e0e6c21a8dd8846e53d10...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T20:41:40.437670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016885/manifest.jsonobserved 3e4fe708ce48d30b62d9ea64bf75242d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:40.385508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016885/publication.mdobserved d23ca482e09877f1003d1ea6e9c9ac8b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:40.320412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016885/publication.txtobserved f909f88ef23c244370e666da740807f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:03:09.415334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016885observed 43dcdf4e1e2e0e6c21a8dd8846e53d10...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:03:09.396207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016885/manifest.jsonobserved 3e4fe708ce48d30b62d9ea64bf75242d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:03:09.375834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016885/publication.mdobserved d23ca482e09877f1003d1ea6e9c9ac8b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:03:09.359371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016885/publication.txtobserved f909f88ef23c244370e666da740807f5...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
| 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 |
|---|