OT-2026-000029948
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained 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-2026-000029948) never changes.
Identity and time
| Publication number | OT-2026-000029948 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-7642-8210-29bff456a199 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029948 |
| Status | PUBLIC |
Content hashes
| Canonical text | e3707265c2a8684795b3e0962dcb38973c4f3d4eb54a54f9bd324e9ca3c26a81 |
|---|---|
| Markdown | 224a25f0401d91f4db02aaf203e914bdd27d48ebc56922ba3c7b53b85463e6dc |
| Publication page | c0ffeaa5539476dd17d9884dc7c163c3f2cc724b8ef39615e7c521b45dbc2d44 |
| Manifest | 82be6b1cd52bed60d50fba0f4580f16664153f8c691e64b57aaa664e4de814dd |
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 | IsKcoDQvKokyYfTRmW/lFL/7Mgb3cMldrdCuxN+3pYG+bgT8dCodTwqYZ4CTp5fVgrPu9tS7q4j9hHWqU/ffCw== |
| 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
| 2026-09-17T11:38:39.668874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029948observed c0ffeaa5539476dd17d9884dc7c163c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:39.652918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029948/manifest.jsonobserved 82be6b1cd52bed60d50fba0f4580f166...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:39.635133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029948/publication.mdobserved 224a25f0401d91f4db02aaf203e914bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:39.618606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029948/publication.txtobserved e3707265c2a8684795b3e0962dcb3897...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. |
|---|