OT-2026-000057828
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000057828) never changes.
Identity and time
| Publication number | OT-2026-000057828 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed8-70b8-9199-9e163664a167 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057828 |
| Status | PUBLIC |
Content hashes
| Canonical text | 530b331318482b1aa5c97a472cdd8561b10155ca591f423b607354363378fb3a |
|---|---|
| Markdown | 03c677768fb3cf878d7c17b2125e675fc5aa1807011aab78f04192ccea911d4f |
| Publication page | e9f45410b16aea2dc27206096b2fde8103c8d90845af572cc643725f6e59dab1 |
| Manifest | af3278e9c677ddfc19e49fbd1783a8ec144cd13affbd06534f560a5a0df1bd5a |
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 | tFsRNMg8kfR6Nc5PTEnQtj6XN3Iv2eff5rDMae5gjIewhk/YeSlSWqlfCrXNewO7aotWx5DKF+McXzYicROBAg== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T10:47:23.653204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057828observed e9f45410b16aea2dc27206096b2fde81...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:23.636048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057828/manifest.jsonobserved af3278e9c677ddfc19e49fbd1783a8ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:23.616959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057828/publication.mdobserved 03c677768fb3cf878d7c17b2125e675f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:23.596831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057828/publication.txtobserved 530b331318482b1aa5c97a472cdd8561...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. |
|---|