Pith Number

pith:XRYNFSXU

pith:2009:XRYNFSXUY75IG4SNGZ45NUKI4K

not attested not anchored not stored refs pending

Effects of cosmological parameters and star formation models on the cosmic star formation history in LambdaCDM cosmological simulations

IPMU), Jun-Hwan Choi (UNLV), Kentaro Nagamine (UNLV

arxiv:0909.5425 v3 · 2009-09-29 · 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{XRYNFSXUY75IG4SNGZ45NUKI4K}

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	2026-05-18T02:11:36.315421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc70d2caf4c7fa83724d3679d6d148e2a57638fe10c779fae8bacca6eecbef28

Aliases

arxiv: 0909.5425 · arxiv_version: 0909.5425v3 · doi: 10.48550/arxiv.0909.5425 · pith_short_12: XRYNFSXUY75I · pith_short_16: XRYNFSXUY75IG4SN · pith_short_8: XRYNFSXU

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/XRYNFSXUY75IG4SNGZ45NUKI4K \
  | 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: bc70d2caf4c7fa83724d3679d6d148e2a57638fe10c779fae8bacca6eecbef28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd2fa1ee520f1351ec3aa3aab5ed1b58580d6db2f9eb7585b3cdaa6e974cf7ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-29T20:00:22Z",
    "title_canon_sha256": "5dfe2d9fc5c5e5af5b9efc5dacde3cc53fe5be023bcd26aba6fa460d6598255f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5425",
    "kind": "arxiv",
    "version": 3
  }
}