OT-2026-000011557
Publication integrity record
Single cup vacuum gripper, single stage ejector, vented 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-2026-000011557) never changes.
Identity and time
| Publication number | OT-2026-000011557 · never reused |
|---|---|
| Internal UUID | 01a0ae6c-88ff-7958-adf3-a1b1bee7b2a4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:12:23.703080Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011557 |
| Status | PUBLIC |
Content hashes
| Canonical text | 37b4223b79df3b6adb27ea56c1f6b4a34e44ff5b30d569881520e43e294fbc8a |
|---|---|
| Markdown | 7dc7e3c33a976332675ce5fb5bec3bcf8277f7bca697f8e4a3376a6d39c7e597 |
| Publication page | db6dd10a8fbf47b0ac888f199254a231b89900da77b4f9fdefbbd42cc0ea21f9 |
| Manifest | 759bef9374613d25d9b5e92420b35ab7d74d88e16d47b40428824f9da5401c5a |
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 | s7QbSjOSkT4kIFGQdPsw7xAV1lzjm79WZbkiuDDIGOlP80dgD2EvVJv5SmXtfcZFb9z3VfcT92fEorRi5FQoBg== |
| 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
| 2026-09-17T12:13:01.086409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011557observed db6dd10a8fbf47b0ac888f199254a231...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:13:01.066749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011557/manifest.jsonobserved 759bef9374613d25d9b5e92420b35ab7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:13:01.046037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011557/publication.mdobserved 7dc7e3c33a976332675ce5fb5bec3bcf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:13:01.024340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011557/publication.txtobserved 37b4223b79df3b6adb27ea56c1f6b4a3...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. |
|---|