OT-2026-000056144
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000056144) never changes.
Identity and time
| Publication number | OT-2026-000056144 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4b-7c88-8dc2-d414c4229143 · 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-2026-000056144 |
| Status | PUBLIC |
Content hashes
| Canonical text | 48dff1cbeb1d86aa4bbf54cf16232b3b702095eccb5e4315149217097a8f902b |
|---|---|
| Markdown | cc21c1c7a5e800240d9d3abf085cb25727fe5150b9d8d33419e969f24c57010d |
| Publication page | 4a67fdb035bc71c91a85e5ac2ee14e6fcbe660d7a0accdfd7aac71207ed4d32f |
| Manifest | 33cc70c4559c74abebddae345004deb344607bcaa47cf86a01714f6f3e42d431 |
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 | xX++63XSx9nZ6Do0rEX3YEY96M8kAyN5K77nwfTI2bhFnxst1/laIr7O6HYnRtSSlDQh/Nv1o7TA1LJ7cfMCCw== |
| 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
| 2026-09-17T10:51:41.759436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056144observed 4a67fdb035bc71c91a85e5ac2ee14e6f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:41.742397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056144/manifest.jsonobserved 33cc70c4559c74abebddae345004deb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:41.724724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056144/publication.mdobserved cc21c1c7a5e800240d9d3abf085cb257...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:41.706463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056144/publication.txtobserved 48dff1cbeb1d86aa4bbf54cf16232b3b...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. |
|---|