Pith Number

pith:ERNTQ5M7

pith:2015:ERNTQ5M7FCAS3QV2CXJW4RZ2JE

not attested not anchored not stored refs pending

On a Modified DeGroot-Friedkin Model of Opinion Dynamics

Ji Liu, Tamer Basar, Zhi Xu

arxiv:1503.04179 v4 · 2015-03-13 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERNTQ5M7FCAS3QV2CXJW4RZ2JE}

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	2026-05-18T01:19:51.014044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

245b38759f28812dc2ba15d36e473a490c7a2ac05a17a5a61828f24e695f2849

Aliases

arxiv: 1503.04179 · arxiv_version: 1503.04179v4 · doi: 10.48550/arxiv.1503.04179 · pith_short_12: ERNTQ5M7FCAS · pith_short_16: ERNTQ5M7FCAS3QV2 · pith_short_8: ERNTQ5M7

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/ERNTQ5M7FCAS3QV2CXJW4RZ2JE \
  | 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: 245b38759f28812dc2ba15d36e473a490c7a2ac05a17a5a61828f24e695f2849

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da2a6f45287ec75e63062d685a12e3633b6730213a11704b9ef32d4b30cd0881",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-03-13T18:25:30Z",
    "title_canon_sha256": "b58e3a7fa39c58cba1999b43d26cffb88f0539dca61960bab2cb423108fcf7f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04179",
    "kind": "arxiv",
    "version": 4
  }
}