Pith Number

pith:JH2BFIYM

pith:2012:JH2BFIYMUSXJZWDBMXKUBAWVCG

not attested not anchored not stored refs pending

Evidence of nuclear disks in starburst galaxies from their radial distribution of supernovae

A. Alberdi, M. A. P\'erez-Torres, R. Herrero-Illana

arxiv:1203.2927 v1 · 2012-03-13 · 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{JH2BFIYMUSXJZWDBMXKUBAWVCG}

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	2026-05-18T01:58:09.182937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49f412a30ca4ae9cd86165d54082d511b32754a516bda7b57715ff4e4fc7e330

Aliases

arxiv: 1203.2927 · arxiv_version: 1203.2927v1 · doi: 10.48550/arxiv.1203.2927 · pith_short_12: JH2BFIYMUSXJ · pith_short_16: JH2BFIYMUSXJZWDB · pith_short_8: JH2BFIYM

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/JH2BFIYMUSXJZWDBMXKUBAWVCG \
  | 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: 49f412a30ca4ae9cd86165d54082d511b32754a516bda7b57715ff4e4fc7e330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8156cba6774637f680f9675d40555bc032427c27deabd11f8f5998f40e845781",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-13T20:00:11Z",
    "title_canon_sha256": "50d2b78a64889958ab5e3f262fdf56a0378601c34c1ef77f34ff8edd91f43ed1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2927",
    "kind": "arxiv",
    "version": 1
  }
}