Pith Number

pith:WL7TH6UU

pith:2018:WL7TH6UUDBDLITE4R4KTTTBCNW

not attested not anchored not stored refs pending

Multi-snapshot Newtonized Orthogonal Matching Pursuit for Line Spectrum Estimation with Multiple Measurement Vectors

Jiang Zhu, Lin Han, Rick S. Blum, Zhiwei Xu

arxiv:1802.01266 v3 · 2018-02-05 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:46:46.462440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2ff33fa941846b44c9c8f1539cc226dbf30fa4c9ac86be02489526a52a1e42e

Aliases

arxiv: 1802.01266 · arxiv_version: 1802.01266v3 · doi: 10.48550/arxiv.1802.01266 · pith_short_12: WL7TH6UUDBDL · pith_short_16: WL7TH6UUDBDLITE4 · pith_short_8: WL7TH6UU

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WL7TH6UUDBDLITE4R4KTTTBCNW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b2ff33fa941846b44c9c8f1539cc226dbf30fa4c9ac86be02489526a52a1e42e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f162a5651031a012d7f5a283b527073d3ecefdc6ccd4e2735b73b49803a6978d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-02-05T04:52:26Z",
    "title_canon_sha256": "7f249307842b03df2db9719389323b8425d4931bfdfbf229db30d3b31f857c54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01266",
    "kind": "arxiv",
    "version": 3
  }
}