Pith Number

pith:RAF4XYTE

pith:2012:RAF4XYTE773KSGN66EMZXTJJ4F

not attested not anchored not stored refs pending

Recovering galaxy stellar population properties from broad-band spectral energy distribution fitting

2), (2) National Optical Astronomy Observatory, 3) ((1) Institute of Cosmology, (3) Centre for Astrophysics, Australia), Chiara Tonini (1, Claudia Maraston (1), Gravitation, Janine Pforr (1, Portsmouth, Supercomputing, Swinburne University of Technology, Tucson, UK, USA

arxiv:1203.3548 v2 · 2012-03-15 · 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{RAF4XYTE773KSGN66EMZXTJJ4F}

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	2026-05-18T01:58:08.238275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

880bcbe264fff6a919bef1199bcd29e14eee84c8c0723b830bce0bcce7f064d3

Aliases

arxiv: 1203.3548 · arxiv_version: 1203.3548v2 · doi: 10.48550/arxiv.1203.3548 · pith_short_12: RAF4XYTE773K · pith_short_16: RAF4XYTE773KSGN6 · pith_short_8: RAF4XYTE

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/RAF4XYTE773KSGN66EMZXTJJ4F \
  | 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: 880bcbe264fff6a919bef1199bcd29e14eee84c8c0723b830bce0bcce7f064d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81992827e6113da5d739ac078b94fe106acbef132bd23d2c255eba9f06c1d69b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-15T20:02:09Z",
    "title_canon_sha256": "c3f0a5f924db62e11fa6516d755c3d0a7d4ad43f185dfd231153d1b569551cd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3548",
    "kind": "arxiv",
    "version": 2
  }
}