OT-2026-000071883
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000071883) never changes.
Identity and time
| Publication number | OT-2026-000071883 · never reused |
|---|---|
| Internal UUID | 01a0ae92-1e93-7f01-836e-685a490a0b27 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:26.841552Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071883 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1737c0f68bede4507bb04f59dcbe1da48fd16decb9c898af7d7ef1875218544c |
|---|---|
| Markdown | c162f5228e5dec5010879ec6d01343b97d631dd5eb30ffe6bf502908de71ca2b |
| Publication page | e9478a2250329236bd624a427b5a9b4d065352218e6a13b0fc8677cf42191a59 |
| Manifest | a4afecb5b87544ec07ca1ad1fceba1244cc7183ca98147ebce416c23424814ec |
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 | hqRr20gGgvWDnjeV4+NUkfW0anO3gwNIFbX3DBQO/SzZRWxifv68had74TJqnRCi291OypWh0hmQHb4ErJZFDQ== |
| 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
| 2026-10-01T00:41:39.965396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071883observed e9478a2250329236bd624a427b5a9b4d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T00:41:39.865486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071883/manifest.jsonobserved a4afecb5b87544ec07ca1ad1fceba124...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:39.760334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071883/publication.mdobserved c162f5228e5dec5010879ec6d01343b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:39.668582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071883/publication.txtobserved 1737c0f68bede4507bb04f59dcbe1da4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:42:41.941217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071883observed e9478a2250329236bd624a427b5a9b4d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:42:41.707504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071883/manifest.jsonobserved a4afecb5b87544ec07ca1ad1fceba124...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:42:41.397493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071883/publication.mdobserved c162f5228e5dec5010879ec6d01343b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:42:41.199716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071883/publication.txtobserved 1737c0f68bede4507bb04f59dcbe1da4...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 |
|---|