Pith Number

pith:PRXU3NDT

pith:2012:PRXU3NDT3IUOIRQQSAKMXWUGPP

not attested not anchored not stored refs pending

Strategies in crowd and crowd structure

A. Kupczak, J. Kantelhardt, J. Malinowski, J. Was, K. Kulakowski, K. Malarz, M. J. Krawczyk, P. Gawronski, W. Sikora

arxiv:1209.6547 v1 · 2012-09-28 · physics.soc-ph · cs.SI · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRXU3NDT3IUOIRQQSAKMXWUGPP}

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	2026-05-18T03:31:29.426003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c6f4db473da28e446109014cbda867bdb315450e7739d9387b4bab0a23e7cb5

Aliases

arxiv: 1209.6547 · arxiv_version: 1209.6547v1 · doi: 10.48550/arxiv.1209.6547 · pith_short_12: PRXU3NDT3IUO · pith_short_16: PRXU3NDT3IUOIRQQ · pith_short_8: PRXU3NDT

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/PRXU3NDT3IUOIRQQSAKMXWUGPP \
  | 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: 7c6f4db473da28e446109014cbda867bdb315450e7739d9387b4bab0a23e7cb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0530f5a06f3adbd47b782bc8fe3660c8db396e72d3fb8355b0afbead510b3ef7",
    "cross_cats_sorted": [
      "cs.SI",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-09-28T15:40:25Z",
    "title_canon_sha256": "2e5a9789395432ed4ff39f804e95700cd13b14dd91bc29423c2de6d7766eb468"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6547",
    "kind": "arxiv",
    "version": 1
  }
}