Pith Number

pith:C3KFB6AI

pith:2011:C3KFB6AIGLSVNLPA4DVHQOB6UP

not attested not anchored not stored refs pending

Population Synthesis at the Crossroads

Claus Leitherer, Sylvia Ekstrom

arxiv:1111.5204 v1 · 2011-11-22 · astro-ph.CO · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C3KFB6AIGLSVNLPA4DVHQOB6UP}

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	2026-05-18T01:59:26.855905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16d450f80832e556ade0e0ea78383ea3dfdfa5970f5c57eb34647fed43dc36ea

Aliases

arxiv: 1111.5204 · arxiv_version: 1111.5204v1 · doi: 10.48550/arxiv.1111.5204 · pith_short_12: C3KFB6AIGLSV · pith_short_16: C3KFB6AIGLSVNLPA · pith_short_8: C3KFB6AI

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/C3KFB6AIGLSVNLPA4DVHQOB6UP \
  | 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: 16d450f80832e556ade0e0ea78383ea3dfdfa5970f5c57eb34647fed43dc36ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44f1bcf518e2bca7620589f35f6e585ce4298f900d6c7d654ea1f7c97d675a64",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-22T14:45:12Z",
    "title_canon_sha256": "b5a8625c8dfd11cae4ad628a59dd0acf814b12499b14787d301c01d14b4c56fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5204",
    "kind": "arxiv",
    "version": 1
  }
}