OT-2026-000055381
Publication integrity record
Single cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000055381) never changes.
Identity and time
| Publication number | OT-2026-000055381 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a101-797b-87bb-e9a6b130d132 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055381 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1f3ca20e5c66e7ecd7242c0a69e37a5777c5e353e1e79a26832850b4c1bd6506 |
|---|---|
| Markdown | fba8946b2e30cf68053e6907721583d3953500f3caa467d70aa58cbaf2b549a7 |
| Publication page | 94a152b5e22b35be56d1f6099f5c68c908dc2411858aa4e249a2984817da5015 |
| Manifest | b658c4acfd25f10c6fecc72869fe822228f69ff47018124acc4be8814c31c6ed |
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 | bV+63qNBvlzEjCb6bhIwtkobyZlzwgsKfTJLgBHfiaR5joTAU03Wa4Rh8VoW0Z4FuMnS8tJ9uRsCHm/VcdXoDw== |
| 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
| 2026-09-17T10:52:00.919738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055381observed 94a152b5e22b35be56d1f6099f5c68c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:00.901589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055381/manifest.jsonobserved b658c4acfd25f10c6fecc72869fe8222...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:00.881629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055381/publication.mdobserved fba8946b2e30cf68053e6907721583d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:00.863112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055381/publication.txtobserved 1f3ca20e5c66e7ecd7242c0a69e37a57...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. |
|---|