OT-2026-000090317
Publication integrity record
Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000090317) never changes.
Identity and time
| Publication number | OT-2026-000090317 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2c-7196-87d0-4626b7d0b209 · 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-2026-000090317 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4947657a1cf3e25a72e93cf9c29b0db0b608e6f9cc59c91a39dc419801f0f34 |
|---|---|
| Markdown | 7d4df9b7d90eae08a0ca845cca4d869100b197d8b383a3eefdb73fdb12be5ff4 |
| Publication page | a7de3604f65b447dda8ff318456527ed01c360e89a0f11e9d7b9b4dcc86f7739 |
| Manifest | ca528310dbcdb86591ed33c89313e870e05c9de3e7221d1b4d4951018872de37 |
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 | 6euKDhG+93YKEobUMSNiEeiCaRzsXmNNxI3fQQtdS+rvTpGXeYBzjPkFiKcMtFnaaUQQgGBBRaHG16nmd7y5Cw== |
| 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
| 2026-09-17T09:44:24.107850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090317observed a7de3604f65b447dda8ff318456527ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:24.089340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090317/manifest.jsonobserved ca528310dbcdb86591ed33c89313e870...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:24.071612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090317/publication.mdobserved 7d4df9b7d90eae08a0ca845cca4d8691...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:24.053123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090317/publication.txtobserved a4947657a1cf3e25a72e93cf9c29b0db...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. |
|---|