Pith Number

pith:SRRGVUDS

pith:2002:SRRGVUDSJCIL5IRZOYTHNMBJ6C

not attested not anchored not stored refs pending

Smoothed particle hydrodynamics for galaxy formation simulations: improved treatments of multiphase gas, of star formation and of supernovae feedback

Garching), S.D.M. White (1) ((1) MPA, S. Marri (1)

arxiv:astro-ph/0207448 v1 · 2002-07-21 · 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{SRRGVUDSJCIL5IRZOYTHNMBJ6C}

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	2026-07-04T15:51:44.484219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94626ad0724890bea239762676b029f096ff35e8541c38fa81781460bd4eb94e

Aliases

arxiv: astro-ph/0207448 · arxiv_version: astro-ph/0207448v1 · doi: 10.48550/arxiv.astro-ph/0207448 · pith_short_12: SRRGVUDSJCIL · pith_short_16: SRRGVUDSJCIL5IRZ · pith_short_8: SRRGVUDS

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/SRRGVUDSJCIL5IRZOYTHNMBJ6C \
  | 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: 94626ad0724890bea239762676b029f096ff35e8541c38fa81781460bd4eb94e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1bd2c0dd7f159573abb83818866e95fb7bc261823158cc27818e989ad669cd3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-21T17:03:40Z",
    "title_canon_sha256": "6439f0bd364a28ab87fa4695159a6950886104d4b021ce96d2c8511de0d56610"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207448",
    "kind": "arxiv",
    "version": 1
  }
}