Pith Number

pith:2MBKZFPU

pith:2009:2MBKZFPULTTDMOVBUR2IW6J7ZC

not attested not anchored not stored refs pending

The Connection Between Diffuse Light and Intracluster Planetary Nebulae in the Virgo Cluster

2), (2) Indiana University, (3) Youngstown State University), Heather Morrison (1) ((1) Case Western Reserve University, J. Christopher Mihos (1), John J. Feldmeier (3), Paul Harding (1), Steven Janowiecki (1

arxiv:0906.4703 v1 · 2009-06-25 · 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{2MBKZFPULTTDMOVBUR2IW6J7ZC}

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	2026-05-18T04:29:42.590160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d302ac95f45ce6363aa1a4748b793fc89ac0176f0b31a6f8211551ad35d76fd9

Aliases

arxiv: 0906.4703 · arxiv_version: 0906.4703v1 · doi: 10.48550/arxiv.0906.4703 · pith_short_12: 2MBKZFPULTTD · pith_short_16: 2MBKZFPULTTDMOVB · pith_short_8: 2MBKZFPU

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/2MBKZFPULTTDMOVBUR2IW6J7ZC \
  | 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: d302ac95f45ce6363aa1a4748b793fc89ac0176f0b31a6f8211551ad35d76fd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a43b6ae4a88e482c87f1fea4dc83e683f6732672712a9f3e1f6c6d1aab325bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-25T14:56:59Z",
    "title_canon_sha256": "a27df33eca58cf2f66b30ce9dcad28df87b1ab85bbbd06b56ce0d4f331fd7474"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4703",
    "kind": "arxiv",
    "version": 1
  }
}