OT-2026-000020755
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed 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-2026-000020755) never changes.
Identity and time
| Publication number | OT-2026-000020755 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-7ecc-bfbe-31b21383e5b0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020755 |
| Status | PUBLIC |
Content hashes
| Canonical text | 655b4b0232267ef4d86b2f1c11e30e9b2965a08797be2cd118621a780fda0294 |
|---|---|
| Markdown | 50f800b0a8e8ab172f4a95ca725e76f877ccae5dbeb17ab535259140baa7dd88 |
| Publication page | a020f5909857ed04019be0a08c6eb4027c0a367bffb014f14be52d9312f79bd3 |
| Manifest | a41ab3d1de22d4973d8781ee99ae62d9a3fed88760a69fdacc396e1c689d756c |
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 | csF3mZhHDLBTu3VN/mLw1MCH80O+vD6upFfTEAOLBNLH8BegtSUlbHarAwbh2fBDtMUuZrHHokFXfHOBcmsWCA== |
| 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
| 2026-09-17T11:55:49.608705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020755observed a020f5909857ed04019be0a08c6eb402...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:49.590913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020755/manifest.jsonobserved a41ab3d1de22d4973d8781ee99ae62d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:49.573386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020755/publication.mdobserved 50f800b0a8e8ab172f4a95ca725e76f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:49.555738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020755/publication.txtobserved 655b4b0232267ef4d86b2f1c11e30e9b...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. |
|---|