OT-2026-000052569
Publication integrity record
Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000052569) never changes.
Identity and time
| Publication number | OT-2026-000052569 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573b-7e27-ae57-d6b2d0b9e430 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052569 |
| Status | PUBLIC |
Content hashes
| Canonical text | f75cc85c5f48fe96e8ca8b12ab3276fb8d184ee3c24be5af831740d031bb46b5 |
|---|---|
| Markdown | 40d44d6f606de0cce9bd90e2d366e5104fab72a9f915ac148db209e42788bc71 |
| Publication page | 953cde1c5018d6761305706883c8be590578b5e51c50e3d3f6b4bf1eecc97099 |
| Manifest | 4a9d72ea62de33d1ddc0e1d209cdd2f759b4be0c86ebee3da32b292cc8e2833c |
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 | GSJtmUFxRTMB1oVhPzGBbX3+AXdSnHvAgHGOj36cNpQKxz0zN2K2mhL+VIPmNWc3bixV3gnfHK0nwqo/KNmGCA== |
| 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
| 2026-09-17T10:57:13.673540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052569observed 953cde1c5018d6761305706883c8be59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:13.654799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052569/manifest.jsonobserved 4a9d72ea62de33d1ddc0e1d209cdd2f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:13.637872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052569/publication.mdobserved 40d44d6f606de0cce9bd90e2d366e510...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:13.619453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052569/publication.txtobserved f75cc85c5f48fe96e8ca8b12ab3276fb...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. |
|---|