OT-2026-000004167
Publication integrity record
Bellows cup vacuum gripper, two outlet manifold, two stage ejector, vented after 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-2026-000004167) never changes.
Identity and time
| Publication number | OT-2026-000004167 · never reused |
|---|---|
| Internal UUID | 01a0a90f-cec7-7ac8-a07b-f55bf1cb436d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:13:00.618865Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004167 |
| Status | PUBLIC |
Content hashes
| Canonical text | 43b9d20fbf24d6a86f15b1fbaf2ce2ee0a956e45a252560d8b04b41e79afec66 |
|---|---|
| Markdown | 50452423da87190a835827d7ce1a81a34cede40330bd501e5fc8004c15a441dd |
| Publication page | 41e01b1b81e176fd716b3ce00371b31083201cc7b577392ae358076287e66b60 |
| Manifest | c1526828c11b9c6d040f2ec7ac5f7abcfa116dcdbcf2cd6ad741bdab51c4c141 |
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 | 0gi9FwS6A5qp5g75KecYBXHQ78MeI8huUx68BO904A1DWbu9dMaQx7pPE0a5qxNLoC+UGkqnbZQ6XcHuNrUCCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-15T12:41:07.859400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004167observed 41e01b1b81e176fd716b3ce00371b310...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T12:41:07.808323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004167/manifest.jsonobserved c1526828c11b9c6d040f2ec7ac5f7abc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T12:41:07.759853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004167/publication.mdobserved 50452423da87190a835827d7ce1a81a3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T12:41:07.645567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004167/publication.txtobserved 43b9d20fbf24d6a86f15b1fbaf2ce2ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:57.469156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004167observed 41e01b1b81e176fd716b3ce00371b310...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:57.379752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004167/manifest.jsonobserved c1526828c11b9c6d040f2ec7ac5f7abc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:57.300907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004167/publication.mdobserved 50452423da87190a835827d7ce1a81a3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:57.092321Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004167/publication.txtobserved 43b9d20fbf24d6a86f15b1fbaf2ce2ee...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 |
|---|