Pith Number

pith:FAPKH3SV

pith:2016:FAPKH3SV36JV4EWNJSJSFKNPKA

not attested not anchored not stored refs pending

From cusps to cores: a stochastic model

Amr El-Zant, Francoise Combes, Jonathan Freundlich

arxiv:1603.00526 v2 · 2016-03-02 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FAPKH3SV36JV4EWNJSJSFKNPKA}

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	2026-05-18T01:10:30.946216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

281ea3ee55df935e12cd4c9322a9af5020306ce0c7f80830f6952449ab3ca8c4

Aliases

arxiv: 1603.00526 · arxiv_version: 1603.00526v2 · doi: 10.48550/arxiv.1603.00526 · pith_short_12: FAPKH3SV36JV · pith_short_16: FAPKH3SV36JV4EWN · pith_short_8: FAPKH3SV

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/FAPKH3SV36JV4EWNJSJSFKNPKA \
  | 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: 281ea3ee55df935e12cd4c9322a9af5020306ce0c7f80830f6952449ab3ca8c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d35a811560e8d75198dfd5516b9345941e4cc049c7aeaca9389e46fac0b670b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-02T00:02:46Z",
    "title_canon_sha256": "a1db64e78cb3bd066af0707485f0dd450934ded1c5cde928337f507b4ed6521b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00526",
    "kind": "arxiv",
    "version": 2
  }
}