Pith Number

pith:6QKF4JTR

pith:2013:6QKF4JTR7VXOTVCQUBMAOBOUGM

not attested not anchored not stored refs pending

Recovering galaxy stellar population properties from broad-band spectral energy distribution fitting II. The case with unknown redshift

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

arxiv:1308.0604 v1 · 2013-08-02 · 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{6QKF4JTR7VXOTVCQUBMAOBOUGM}

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	2026-05-18T01:48:24.431919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4145e2671fd6ee9d450a0580705d43312006e22a3e8b7c79ed66077e5c2df67

Aliases

arxiv: 1308.0604 · arxiv_version: 1308.0604v1 · doi: 10.48550/arxiv.1308.0604 · pith_short_12: 6QKF4JTR7VXO · pith_short_16: 6QKF4JTR7VXOTVCQ · pith_short_8: 6QKF4JTR

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/6QKF4JTR7VXOTVCQUBMAOBOUGM \
  | 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: f4145e2671fd6ee9d450a0580705d43312006e22a3e8b7c79ed66077e5c2df67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ded6e9da01de47c52a609971f1908f08bb1b0e12e7035d2b2f7968d6ffb48a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-02T20:00:14Z",
    "title_canon_sha256": "e1d94a5bc59ebdb30cadafb7983de50a43bade6910ab6be0ca10630540cd7664"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0604",
    "kind": "arxiv",
    "version": 1
  }
}