OT-2026-000028550
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000028550) never changes.
Identity and time
| Publication number | OT-2026-000028550 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7c31-986a-89bbe1abc84e · 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-2026-000028550 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4b825da34df571c96ef387d4f35a6ee4c73905fc41db24409735390aa3e873e3 |
|---|---|
| Markdown | f5930b644805524bf08062fcecfb9d2a0204be311873ab629162d25363c67e10 |
| Publication page | 8d6f57691f06420ade06071d2d72b3c2f3000b801b0d04ba8951724d892eb3fe |
| Manifest | 24b4843812352c0a5b914f1d0e02f83a96380fa095ea2cc55e43efc97dd00b51 |
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 | 3HS5nUkDgWq6CZTdmO/28nYcfKn2GTBuNzsBOYovcLX9QhUyQWR1XBp4vMYSOd6FiznXDOS1Su3/TtYbXd0uCg== |
| 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
| 2026-09-17T11:40:49.948774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028550observed 8d6f57691f06420ade06071d2d72b3c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:49.930025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028550/manifest.jsonobserved 24b4843812352c0a5b914f1d0e02f83a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:49.908079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028550/publication.mdobserved f5930b644805524bf08062fcecfb9d2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:49.888975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028550/publication.txtobserved 4b825da34df571c96ef387d4f35a6ee4...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. |
|---|