Pith Number

pith:EOP3LZB6

pith:2016:EOP3LZB6HPW3JUREXCXFDFEE4R

not attested not anchored not stored refs pending

Covariance and correlation estimators in bipartite complex systems with a double heterogeneity

Elena Puccio, Jyrki Piilo, Michele Tumminello

arxiv:1612.07109 v1 · 2016-12-21 · physics.data-an · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EOP3LZB6HPW3JUREXCXFDFEE4R}

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	2026-05-18T00:54:14.648609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

239fb5e43e3bedb4d224b8ae519484e4413e980cfd6a4bec432e698f19979094

Aliases

arxiv: 1612.07109 · arxiv_version: 1612.07109v1 · doi: 10.48550/arxiv.1612.07109 · pith_short_12: EOP3LZB6HPW3 · pith_short_16: EOP3LZB6HPW3JURE · pith_short_8: EOP3LZB6

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/EOP3LZB6HPW3JUREXCXFDFEE4R \
  | 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: 239fb5e43e3bedb4d224b8ae519484e4413e980cfd6a4bec432e698f19979094

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94d3c8f6dfe5961972584f5658030c72c9dc1ddc784f6cfa25a197c8cff9aa2c",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2016-12-21T13:50:04Z",
    "title_canon_sha256": "63fed3490da5a0446d809504cefa3226347d33b8cba4548cd32dcc45afc15c68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07109",
    "kind": "arxiv",
    "version": 1
  }
}