OT-2026-000090447
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-2026-000090447) never changes.
Identity and time
| Publication number | OT-2026-000090447 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7d10-aec5-5294e08b8dce · 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-2026-000090447 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1e2f7453e4184529bb6bed916dddcf05b800d741eac5c2fd83fd0e3cfd34e7fa |
|---|---|
| Markdown | 74cb5796084342d8ddc5990263d16d5814f0163c51dfef164053924ae7759ee4 |
| Publication page | fe97f24e47f4393f1dcd98756d354730096fc709edd959af64888b7966785dba |
| Manifest | 57325ae479c6f1c8fc340238acc6397d7a30aa85d6b4531d81f31eecfe3339ca |
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 | ElQEFIBS+//Z9jkTCTiFWGQeharbfOClrSWXuFbz30LF0wz86iU1OReeZevcm2s2sZaPXb2OL3P/45sSwXx8CQ== |
| 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
| 2026-09-17T09:44:34.147008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090447observed fe97f24e47f4393f1dcd98756d354730...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:34.130975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090447/manifest.jsonobserved 57325ae479c6f1c8fc340238acc6397d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:34.112303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090447/publication.mdobserved 74cb5796084342d8ddc5990263d16d58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:34.095529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090447/publication.txtobserved 1e2f7453e4184529bb6bed916dddcf05...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. |
|---|