Pith Number

pith:PRC6NGGA

pith:2013:PRC6NGGAKRFP4T75G2PYMD42K5

not attested not anchored not stored refs pending

Star-forming galaxies in low-redshift clusters: Effects of environment on the concentration of star formation

C.F. Bretherton, C. Moss, P.A. James

arxiv:1303.5989 v1 · 2013-03-24 · 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{PRC6NGGAKRFP4T75G2PYMD42K5}

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	2026-05-18T01:50:59.204816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c45e698c0544afe4ffd369f860f9a577c16f0e469c7d4f937c8f8587627983b

Aliases

arxiv: 1303.5989 · arxiv_version: 1303.5989v1 · doi: 10.48550/arxiv.1303.5989 · pith_short_12: PRC6NGGAKRFP · pith_short_16: PRC6NGGAKRFP4T75 · pith_short_8: PRC6NGGA

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/PRC6NGGAKRFP4T75G2PYMD42K5 \
  | 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: 7c45e698c0544afe4ffd369f860f9a577c16f0e469c7d4f937c8f8587627983b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e5bd586fbeec9cc80fe4ee05bbafb2b21b0e0eb26c5683866f508a6eda1bb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-24T20:42:52Z",
    "title_canon_sha256": "9c1228ce005d2ae787789962e5c206b349abf36063169b68e97688f08b6e5499"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5989",
    "kind": "arxiv",
    "version": 1
  }
}