OT-2026-000019903
Publication integrity record
Four bellows cup vacuum gripper, four zone face, single stage ejector, 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-2026-000019903) never changes.
Identity and time
| Publication number | OT-2026-000019903 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-7ef0-8432-7a7b4105f876 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019903 |
| Status | PUBLIC |
Content hashes
| Canonical text | 51f99c14765e1fdcc88eb92452cbcd8857dfae1dc62c5d44fb7904b53c5a0679 |
|---|---|
| Markdown | 6e3052aabfbbead80a59f9605907509d15cf61f92b66636c06bb35f631a3ec8e |
| Publication page | ce778d09cc9712385b4ed0d296c609959f0b8af4e66012d546cd6b2e7711bdc2 |
| Manifest | 6d2d47b44503a054982eb9aeba5984c623753593a0b93d5c3f99f9abc22ce81d |
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 | SjdHluc4b9nptFEWYd/W3dZAuPnGz+8CM78Y8N8kqVP3SnbGPu437J8t5T/hp6xCMZ7suPjcaxePMGiG7Bl2AA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:58:06.848047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019903observed ce778d09cc9712385b4ed0d296c60995...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:06.832164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019903/manifest.jsonobserved 6d2d47b44503a054982eb9aeba5984c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:06.815695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019903/publication.mdobserved 6e3052aabfbbead80a59f9605907509d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:06.799576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019903/publication.txtobserved 51f99c14765e1fdcc88eb92452cbcd88...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. |
|---|