OT-2026-000021874
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, single stage ejector, sustained 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-2026-000021874) never changes.
Identity and time
| Publication number | OT-2026-000021874 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7367-b434-379eae18dfb3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021874 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6f64e88c9c880c2f30eb697234a2ddcf4243b042e7c3b10283b8f570bc40ff5b |
|---|---|
| Markdown | 34e2510bbe84d096dab1bb307c9483a5e37babb01974be7c3e46443d2b700193 |
| Publication page | dfe1b07e086177fdf54741abc99776f1731d424b91323ddddd7eb3e6216df808 |
| Manifest | ce561d06dd1d5312dea9317b25eb8a26d942fc53f92a92a14e560c14976f1a26 |
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 | IOjCyN8H0JvR56shKdNzGZThcJ1soc6Lbx9xiLBkdY4HONvxiRt3CgEDgnfhhrPqy4nw5VfuVqhsgS4Tpvy5Bg== |
| 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
| 2026-09-17T11:54:26.400518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021874observed dfe1b07e086177fdf54741abc99776f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:26.383569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021874/manifest.jsonobserved ce561d06dd1d5312dea9317b25eb8a26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:26.367851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021874/publication.mdobserved 34e2510bbe84d096dab1bb307c9483a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:26.350469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021874/publication.txtobserved 6f64e88c9c880c2f30eb697234a2ddcf...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. |
|---|