OT-2026-000022224
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000022224) never changes.
Identity and time
| Publication number | OT-2026-000022224 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fc-738e-a260-91e8af76d206 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022224 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3c28aeae258eb46ff941bc69a1fef8aae84d55f98380d04105cbb57e9a27789c |
|---|---|
| Markdown | 9a6144ef43f07cfe7a49fa24c3aac8e0b4306545f1b07e5987dec05966bc03db |
| Publication page | 72987ed4647081a05b0e6b5455ae9b1bcfdee01956d19f85e9947ce92bce6416 |
| Manifest | c6b162598650bf1a610561c9c8dea3fd5784b8cba0b876c1b1aeb05bae998841 |
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 | SAq6fzJj51VXpDltiY3ZreEEmVhrKyxIlPMkEQZh5JuVI+f9sXDO/P6I7DAWDEJ9on71KKwGdt7Ma1UwikEzAw== |
| 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
| 2026-09-17T11:52:54.823352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022224observed 72987ed4647081a05b0e6b5455ae9b1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:54.806752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022224/manifest.jsonobserved c6b162598650bf1a610561c9c8dea3fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:54.788171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022224/publication.mdobserved 9a6144ef43f07cfe7a49fa24c3aac8e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:54.761432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022224/publication.txtobserved 3c28aeae258eb46ff941bc69a1fef8aa...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|