Pith Number

pith:I4TZBNHG

pith:2012:I4TZBNHGAHAGQTR2EHUOIC7KGF

not attested not anchored not stored refs pending

Graph Size Estimation

Athina Markopoulou, Carter T. Butts, Maciej Kurant

arxiv:1210.0460 v1 · 2012-10-01 · cs.SI · cs.CY · physics.soc-ph · 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{I4TZBNHGAHAGQTR2EHUOIC7KGF}

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	2026-05-18T03:44:22.426976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

472790b4e601c0684e3a21e8e40bea314d6e648a80595a2a03069ad6f5511cea

Aliases

arxiv: 1210.0460 · arxiv_version: 1210.0460v1 · doi: 10.48550/arxiv.1210.0460 · pith_short_12: I4TZBNHGAHAG · pith_short_16: I4TZBNHGAHAGQTR2 · pith_short_8: I4TZBNHG

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/I4TZBNHGAHAGQTR2EHUOIC7KGF \
  | 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: 472790b4e601c0684e3a21e8e40bea314d6e648a80595a2a03069ad6f5511cea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae330aae84889cba973ea337e8e8105e3f95602678c2ea77db6b12d5e034decb",
    "cross_cats_sorted": [
      "cs.CY",
      "physics.soc-ph",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-10-01T16:34:58Z",
    "title_canon_sha256": "9d625661900d371bdc27d0493faf1474cbda71f9032651aa7664316338b7ea8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0460",
    "kind": "arxiv",
    "version": 1
  }
}