OT-2026-000056239
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000056239) never changes.
Identity and time
| Publication number | OT-2026-000056239 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-721a-8f37-cc7c85b4d045 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056239 |
| Status | PUBLIC |
Content hashes
| Canonical text | 578ad1208d0df0d85a6d34c94601d5b78610045e783ba9c60c746edcb83d484f |
|---|---|
| Markdown | 8b8b97f140625ed667b227435089fc050f697952d288761dbbb66286702f8efa |
| Publication page | 37edbf3a4c766077ee317d3ed6dfd1c34b2c126a6c3df50ebf2e8dbc593afb66 |
| Manifest | e2c25371ce59137df0b6045d4c4a64a7c64b533ded84140d7257a8e67003459a |
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 | u8QAa5odcknkBUVjM1lmnIjWHPHpDK7zqUw9kNIaiv1NNcXOCbX8Fd9ILWN7VY3sIlBJPyvIQLLRKwkilk8KAA== |
| 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
| 2026-11-05T04:23:27.045581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056239observed 37edbf3a4c766077ee317d3ed6dfd1c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-05T04:23:27.029417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056239/manifest.jsonobserved e2c25371ce59137df0b6045d4c4a64a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-05T04:23:27.000895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056239/publication.mdobserved 8b8b97f140625ed667b227435089fc05...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-05T04:23:26.875576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056239/publication.txtobserved 578ad1208d0df0d85a6d34c94601d5b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T00:42:07.799616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056239observed 37edbf3a4c766077ee317d3ed6dfd1c3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T00:42:07.718997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056239/manifest.jsonobserved e2c25371ce59137df0b6045d4c4a64a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T00:42:07.637266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056239/publication.mdobserved 8b8b97f140625ed667b227435089fc05...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T00:42:07.524886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056239/publication.txtobserved 578ad1208d0df0d85a6d34c94601d5b7...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|