OT-2026-000090444
Publication integrity record
Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000090444) never changes.
Identity and time
| Publication number | OT-2026-000090444 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-703f-9c99-67c4b6dcaca4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090444 |
| Status | PUBLIC |
Content hashes
| Canonical text | 86fc18246984d4bb6631c12bb1ce292795b953677930b032a2cdde19fda8d7e7 |
|---|---|
| Markdown | ba8b81a6cd4becd71276f5faacde27496f8ee28cb249b89c20f0a158f66f74b4 |
| Publication page | 1cfb06839688509e1ffa0fc379631144ca1cd42fd65b244591929c67abb8c64c |
| Manifest | 8902088459be9747dd718eb37a7314a5ce0d5585026b759770e06ea51b5b1dc4 |
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 | cwrf8FQsxtstlS0Ovp77+138icIad0eyTneQ5v3lyCcgtUYyMTpNQdmOFEAbWZIDvmYLem0s5/Nx2FGEGxLlAg== |
| 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
| 2026-09-17T09:44:33.935186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090444observed 1cfb06839688509e1ffa0fc379631144...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:33.917230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090444/manifest.jsonobserved 8902088459be9747dd718eb37a7314a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:33.896662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090444/publication.mdobserved ba8b81a6cd4becd71276f5faacde2749...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:33.879700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090444/publication.txtobserved 86fc18246984d4bb6631c12bb1ce2927...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. |
|---|