OT-2026-000028444
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, sustained blow-off before set-down
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-2026-000028444) never changes.
Identity and time
| Publication number | OT-2026-000028444 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7d1c-a06c-838b5142bdf7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028444 |
| Status | PUBLIC |
Content hashes
| Canonical text | 829d707d0776ad9582c3ea8b362b7cd9237784536979aa1bc1198edf92a906f5 |
|---|---|
| Markdown | 48287199089080f99c15a718eec7d32cf1b004cdf8412078e760321cdf663331 |
| Publication page | ae46f88e3805172606b317735dbc62e0afa8c9c1fd2804e0800cc5a32d2c1cfe |
| Manifest | b74bd5fa9f0e704858783d11034daccc1cf37d53fd2b3b7ef756020415e48bff |
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 | /jF+AxOiaGTwq8pnZCQ4LCkCdgo84USmrv6rYBtIpSVv3ShAsLNsX3mAFPbvjgpNDlH3ZLaNmzUlmUYb5uZgAQ== |
| 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
| 2026-09-17T11:40:34.827421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028444observed ae46f88e3805172606b317735dbc62e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:34.790165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028444/manifest.jsonobserved b74bd5fa9f0e704858783d11034daccc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:34.772206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028444/publication.mdobserved 48287199089080f99c15a718eec7d32c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:34.724093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028444/publication.txtobserved 829d707d0776ad9582c3ea8b362b7cd9...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. |
|---|