Pith Number

pith:BY5NAJJN

pith:2003:BY5NAJJNF4MGOASPU2AJI5LC43

not attested not anchored not stored refs pending

Simulations of Early Structure Formation: Primordial Gas Clouds

Lars Hernquist (CfA), Naoki Yoshida (CfA), Naoshi Sugiyama (NAOJ), Tom Abel (Penn State)

arxiv:astro-ph/0301645 v3 · 2003-01-31 · 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{BY5NAJJNF4MGOASPU2AJI5LC43}

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

4 papers in Pith

Ultraviolet diversity of Little Red Dots as a probe for direct-collapse black hole ages

21cmEMUv3: a hybrid diffusion-LSTM emulator of 21cmFAST summary observables

Introducing the Lumina project: large-volume radiation-hydrodynamic simulations of the epochs of hydrogen and helium reionization

Direct Collapse Black Hole Candidates from Decaying Dark Matter

Receipt and verification

First computed	2026-07-04T16:36:25.333200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e3ad0252d2f1867024fa680947562e6c14c31de574cfce453f7315d278ccdaf

Aliases

arxiv: astro-ph/0301645 · arxiv_version: astro-ph/0301645v3 · doi: 10.48550/arxiv.astro-ph/0301645 · pith_short_12: BY5NAJJNF4MG · pith_short_16: BY5NAJJNF4MGOASP · pith_short_8: BY5NAJJN

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/BY5NAJJNF4MGOASPU2AJI5LC43 \
  | 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: 0e3ad0252d2f1867024fa680947562e6c14c31de574cfce453f7315d278ccdaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ce87be41139a75d6144f7d94580603e62d3733a32d1fe50ee2033e8718bd040",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-31T14:52:04Z",
    "title_canon_sha256": "40aa1cdeeedd5d28a0a06ef816761182160033dc8bd2d4582b45bcc51156d379"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301645",
    "kind": "arxiv",
    "version": 3
  }
}