Pith Number

pith:IXU7EJ3A

pith:2017:IXU7EJ3AEOC5TTGYZRHOTSLYOA

not attested not anchored not stored refs pending

Estimating the Number of Sources in Magnetoencephalography Using Spiked Population Eigenvalues

William F. Eddy, Ye Zhang, Zhidong Bai, Zhigang Yao

arxiv:1707.01225 v1 · 2017-07-05 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IXU7EJ3AEOC5TTGYZRHOTSLYOA}

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	2026-05-18T00:40:53.374434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45e9f227602385d9ccd8cc4ee9c978701fe7a2df584e07a299b8ddc38170f976

Aliases

arxiv: 1707.01225 · arxiv_version: 1707.01225v1 · doi: 10.48550/arxiv.1707.01225 · pith_short_12: IXU7EJ3AEOC5 · pith_short_16: IXU7EJ3AEOC5TTGY · pith_short_8: IXU7EJ3A

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/IXU7EJ3AEOC5TTGYZRHOTSLYOA \
  | 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: 45e9f227602385d9ccd8cc4ee9c978701fe7a2df584e07a299b8ddc38170f976

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e7cdb2652e38a61718d2759f346c58e1d249bb5c4d0ee5f34ac2f9c47148cc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-07-05T06:39:39Z",
    "title_canon_sha256": "ffccd362890ac2bac14281cd9c4ddf08b7dec6a523d1dd9262e6a98247746a3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01225",
    "kind": "arxiv",
    "version": 1
  }
}