Pith Number

pith:H46L2DW5

pith:2010:H46L2DW57A5JWSLVXQXFFZSSLS

not attested not anchored not stored refs pending

Weighted Centroid Algorithm for Estimating Primary User Location: Theoretical Analysis and Distributed Implementation

Danijela \v{C}abri\'c, Jun Wang, Paulo Urriza, Yuxing Han

arxiv:1011.2313 v3 · 2010-11-10 · cs.PF · cs.IT · cs.NI · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H46L2DW57A5JWSLVXQXFFZSSLS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-05-18T04:14:16.548963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f3cbd0eddf83a9b4975bc2e52e6525c96efde7a6585001c7df5e60c80255dd0

Aliases

arxiv: 1011.2313 · arxiv_version: 1011.2313v3 · doi: 10.48550/arxiv.1011.2313 · pith_short_12: H46L2DW57A5J · pith_short_16: H46L2DW57A5JWSLV · pith_short_8: H46L2DW5

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/H46L2DW57A5JWSLVXQXFFZSSLS \
  | 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: 3f3cbd0eddf83a9b4975bc2e52e6525c96efde7a6585001c7df5e60c80255dd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6d4281d7b3a6115fc0006165ace449acef22cf305dc6a8d00cf4bec99d8360f",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PF",
    "submitted_at": "2010-11-10T08:38:46Z",
    "title_canon_sha256": "ab646a47724156168da69090b1a343767bb6a4d6aab14a3f063e6c64fc042983"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2313",
    "kind": "arxiv",
    "version": 3
  }
}