Pith Number

pith:IHMYEP7O

pith:2003:IHMYEP7OOZBJALJBWWO7YW7FD3

not attested not anchored not stored refs pending

Evolution of galaxies in clusters: semi-analytic models and observations

Gabriella De Lucia, Garching, Germany), Guinevere Kauffmann, Simon D. M. White (Max-Planck-Institut fuer Astrophysik

arxiv:astro-ph/0309313 v1 · 2003-09-11 · 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{IHMYEP7OOZBJALJBWWO7YW7FD3}

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	2026-07-04T14:12:52.995422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41d9823fee7642902d21b59dfc5be51ecc4256bb7137d661cff81a14aaa9a36e

Aliases

arxiv: astro-ph/0309313 · arxiv_version: astro-ph/0309313v1 · doi: 10.48550/arxiv.astro-ph/0309313 · pith_short_12: IHMYEP7OOZBJ · pith_short_16: IHMYEP7OOZBJALJB · pith_short_8: IHMYEP7O

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/IHMYEP7OOZBJALJBWWO7YW7FD3 \
  | 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: 41d9823fee7642902d21b59dfc5be51ecc4256bb7137d661cff81a14aaa9a36e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4011f66b8ed8e82751de83cb854aa18c05de72b2d4067eec43dc9943b55507c4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-11T09:05:24Z",
    "title_canon_sha256": "8cae27b4a6ab7c73db3c0f973b1ca20b5d113816d56e2c109b0b03356e1d9f47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309313",
    "kind": "arxiv",
    "version": 1
  }
}