OT-2026-000074179
Publication integrity record
Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down
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-2026-000074179) never changes.
Identity and time
| Publication number | OT-2026-000074179 · never reused |
|---|---|
| Internal UUID | 01a0ae93-7178-7320-b028-8f047eff063a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:53.574555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074179 |
| Status | PUBLIC |
Content hashes
| Canonical text | f2f96542b2bc7496530e3b5233a2c7402c30352b0ecd94ed4c1cfa25aea7c829 |
|---|---|
| Markdown | b9e2c8694fb953ba1cf5a2cefe682605e8f0a4b4fa59d82b21aae297ee2bbe8e |
| Publication page | c81ab24a12b95d22563a2028d3d84b855f8c5272c8dbb96fd77ea7fd37f782a6 |
| Manifest | 191c8f637dc0a3ae3b0ebd3980eaf9cc9837f37b87fa2ada8cb300021ea9a308 |
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 | h6VLMGMlNXZ0NnfKfpZMmefoSnPdk1gIhXZTVEgfcHf8vBuG81a6GssQOUASl1un5lsAzd2uiUHYJdHomnBgBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-11-04T20:41:41.359500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074179observed c81ab24a12b95d22563a2028d3d84b85...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-04T20:41:41.256471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074179/manifest.jsonobserved 191c8f637dc0a3ae3b0ebd3980eaf9cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T20:41:41.156889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074179/publication.mdobserved b9e2c8694fb953ba1cf5a2cefe682605...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T20:41:40.952328Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074179/publication.txtobserved f2f96542b2bc7496530e3b5233a2c740...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:42:07.840521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074179observed c81ab24a12b95d22563a2028d3d84b85...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:42:07.764946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074179/manifest.jsonobserved 191c8f637dc0a3ae3b0ebd3980eaf9cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:42:07.606199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074179/publication.mdobserved b9e2c8694fb953ba1cf5a2cefe682605...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:42:07.447090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074179/publication.txtobserved f2f96542b2bc7496530e3b5233a2c740...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 |
|---|