OT-2026-000056138
Publication integrity record
Foam pad vacuum gripper, plant vacuum fed, 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-2026-000056138) never changes.
Identity and time
| Publication number | OT-2026-000056138 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4b-7ef4-af80-c8af547dfb0a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056138 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1f6060f917da89fcb1493ff0070dbce679991b545a50a765a3a3101baf77a43e |
|---|---|
| Markdown | 34ad6afc1f7c780a81144b438a5ff352f55cab04f3001bd953adc335a32f2d8a |
| Publication page | a8c7297e138396c2c01222af0e30691b6bf2b936e7d3973e7fd428cc4516ed62 |
| Manifest | 0c1360ba08b1f0230ac3db5b18a87582587f9e11227f85238bf6edd228aa51ca |
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 | yn4eMa1VXZ/KOKMRdHrVbfqr0eLC0uLJwhMV+uWwlyQmRhsa5sExmz43MuZApmRENXhTViYtoOlxTsri4TdWCQ== |
| 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
| 2026-09-17T10:51:41.294092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056138observed a8c7297e138396c2c01222af0e30691b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:41.274652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056138/manifest.jsonobserved 0c1360ba08b1f0230ac3db5b18a87582...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:41.255907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056138/publication.mdobserved 34ad6afc1f7c780a81144b438a5ff352...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:41.235235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056138/publication.txtobserved 1f6060f917da89fcb1493ff0070dbce6...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. |
|---|