OT-2026-000028620
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000028620) never changes.
Identity and time
| Publication number | OT-2026-000028620 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7251-a888-cf9007d527d3 · 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-2026-000028620 |
| Status | PUBLIC |
Content hashes
| Canonical text | 813dc7670db3f17b341d80d4bf5decd6bda57d9019fa3a8c8b20fec0f00c3580 |
|---|---|
| Markdown | 9aa8b903d06b5cc73fec536b9965fca56970c2c337f7ac24c0737c4669493402 |
| Publication page | b7009b405a147ee24b6b4b9371b52b76beb5213cc62202cb611e1bedbd3a9f15 |
| Manifest | b10beeaf45daeea4b9383e3f8652be954676f3e5299e4f23d5a05847a7dc29f6 |
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 | wbYbJEHX5xHyTtAaYOe9abvAMAvtP2Ux6qxRO1Wp9ZJ+b4rXxyYCQhIg3rPE0+5xtbdWvh05SywRbDKSoZCACQ== |
| 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
| 2026-09-17T11:41:29.110114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028620observed b7009b405a147ee24b6b4b9371b52b76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:29.083248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028620/manifest.jsonobserved b10beeaf45daeea4b9383e3f8652be95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:29.065141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028620/publication.mdobserved 9aa8b903d06b5cc73fec536b9965fca5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:29.045623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028620/publication.txtobserved 813dc7670db3f17b341d80d4bf5decd6...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. |
|---|