Pith Number

pith:Q6CQWGYP

pith:2002:Q6CQWGYPKK4D43VWV3H67CV4PB

not attested not anchored not stored refs pending

An analytical model for the history of cosmic star formation

Lars Hernquist (Harvard-CfA), Volker Springel (MPA)

arxiv:astro-ph/0209183 v1 · 2002-09-10 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q6CQWGYPKK4D43VWV3H67CV4PB}

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.

Cited by

1 paper in Pith

Constraining Cosmological and Astrophysical Parameters with the Cosmic Star Formation History

Receipt and verification

First computed	2026-07-04T15:45:41.722953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87850b1b0f52b83e6eb6aecfef8abc786fa9e098cbb2ffac9e73a85c46d3d5f7

Aliases

arxiv: astro-ph/0209183 · arxiv_version: astro-ph/0209183v1 · doi: 10.48550/arxiv.astro-ph/0209183 · pith_short_12: Q6CQWGYPKK4D · pith_short_16: Q6CQWGYPKK4D43VW · pith_short_8: Q6CQWGYP

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/Q6CQWGYPKK4D43VWV3H67CV4PB \
  | 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: 87850b1b0f52b83e6eb6aecfef8abc786fa9e098cbb2ffac9e73a85c46d3d5f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70541a7bf874673e824a29db5d44f9ec4d6a0a56a0a082d601fa12f27dc6c76d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-09-10T12:50:17Z",
    "title_canon_sha256": "68398aab34b2b4e07c591c1d44555b0a7c74bfd5a48ad9cdd127def5734db474"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0209183",
    "kind": "arxiv",
    "version": 1
  }
}