OT-2026-000042788
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, pulsed 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-2026-000042788) never changes.
Identity and time
| Publication number | OT-2026-000042788 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-7d41-8876-065d51a0d1ce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042788 |
| Status | PUBLIC |
Content hashes
| Canonical text | f1ef3fee13801ad40df11a35e70571cc8b441666621f5dc82c967e4b88a713e1 |
|---|---|
| Markdown | cf47c78aa89610a5173bff0e3fb7d14bcc98398ba459d80a1fa8c396e2964993 |
| Publication page | 814709898aed22237151aa1127c0f13991cc333fa2424ca50aedf9d8430f4a17 |
| Manifest | fede32b24c25b16548f3f41167df21f1eb7b9c88c49d446e43ca9b11a27c2038 |
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 | FyRQbSX+iuYQczGYZuHMal9T1TUIAcdcqmNW+4nu2/Jdo4Mb94UlG4WjNPMfD917RZOsXI3iLkm7e140tvoFCw== |
| 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
| 2026-09-17T11:15:15.196316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042788observed 814709898aed22237151aa1127c0f139...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:15.177117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042788/manifest.jsonobserved fede32b24c25b16548f3f41167df21f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:15.158740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042788/publication.mdobserved cf47c78aa89610a5173bff0e3fb7d14b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:15.137396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042788/publication.txtobserved f1ef3fee13801ad40df11a35e70571cc...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. |
|---|