Pith Number

pith:RK4AH5NQ

pith:2013:RK4AH5NQFM7ZVD4GWZKU4733OX

not attested not anchored not stored refs pending

The ACS LCID project. IX. Imprints of the early Universe in the radial variation of the star formation history of dwarf galaxies

Andrew Cole, Andrew Dolphin, Antonio Aparicio, Carme Gallart, Edouard J. Bernard, Evan D. Skillman, Lucio Mayer, Matteo Monelli, Peter Stetson, Santi Cassisi, Sebastian L. Hidalgo

arxiv:1309.6130 v1 · 2013-09-24 · 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{RK4AH5NQFM7ZVD4GWZKU4733OX}

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	2026-05-18T01:47:27.536753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ab803f5b02b3f9a8f86b6554e7f7b75e7f9babe956ecc05a33221b13e395f2f

Aliases

arxiv: 1309.6130 · arxiv_version: 1309.6130v1 · doi: 10.48550/arxiv.1309.6130 · pith_short_12: RK4AH5NQFM7Z · pith_short_16: RK4AH5NQFM7ZVD4G · pith_short_8: RK4AH5NQ

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/RK4AH5NQFM7ZVD4GWZKU4733OX \
  | 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: 8ab803f5b02b3f9a8f86b6554e7f7b75e7f9babe956ecc05a33221b13e395f2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02b63b98331d679b962cc63f9d3c93b8802a3de8113081fe09e7d3e632c1bf82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-24T12:36:40Z",
    "title_canon_sha256": "99e105e1a39615ce894929a9c5f4940e0a74d3fd0e413c2743668e9cbb2a7f8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6130",
    "kind": "arxiv",
    "version": 1
  }
}