OT-2026-000028309
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000028309) never changes.
Identity and time
| Publication number | OT-2026-000028309 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7300-943b-b6bff3ff88d2 · 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-2026-000028309 |
| Status | PUBLIC |
Content hashes
| Canonical text | b2596155866409c62e784189ece05e7c74bb199b04d3bd32fda214bfb21b82ea |
|---|---|
| Markdown | 297bb941e5ea4616580ded10c97c928a049f9a69feb9451aa2202ebb83a0f12d |
| Publication page | c293cce3884fdb29996bce13c6e6c55a208cc8fa14e2ddf57fabfe10d4e7bf31 |
| Manifest | 44177023a7487ecfeccb80e4d46230c36298fcbf359e683e063f9b2ae7927ca1 |
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 | ljUv8lB4MjliCaSwfgA0oSMFEh2D6KKkqVQrXh5xq1SNftsCz+6ywqcfiPSH3tBqS7quuw5/CUwJvHfWRKMIBw== |
| 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
| 2026-09-17T11:40:18.292688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028309observed c293cce3884fdb29996bce13c6e6c55a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:18.271170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028309/manifest.jsonobserved 44177023a7487ecfeccb80e4d46230c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:18.251063Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028309/publication.mdobserved 297bb941e5ea4616580ded10c97c928a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:18.218866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028309/publication.txtobserved b2596155866409c62e784189ece05e7c...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. |
|---|