Pith Number

pith:7VM3ZBMD

pith:2012:7VM3ZBMD7VHOXIKSOOH2IIBTON

not attested not anchored not stored refs pending

Limits on [OIII] 5007 emission from NGC4472's globular clusters: constraints on planetary nebulae and ultraluminous black hole X-ray binaries in globular clusters

Mark B. Peacock, Stephen E. Zepf, Thomas J. Maccarone

arxiv:1204.5800 v1 · 2012-04-26 · 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{7VM3ZBMD7VHOXIKSOOH2IIBTON}

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	2026-05-18T01:57:44.088429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd59bc8583fd4eeba152738fa4203373533bff62d732dd61b1326e1ad49ed8b7

Aliases

arxiv: 1204.5800 · arxiv_version: 1204.5800v1 · doi: 10.48550/arxiv.1204.5800 · pith_short_12: 7VM3ZBMD7VHO · pith_short_16: 7VM3ZBMD7VHOXIKS · pith_short_8: 7VM3ZBMD

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/7VM3ZBMD7VHOXIKSOOH2IIBTON \
  | 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: fd59bc8583fd4eeba152738fa4203373533bff62d732dd61b1326e1ad49ed8b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "388853025902c3659db066092b730d191f6772360e179ad887076d728cfb3402",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-26T00:43:08Z",
    "title_canon_sha256": "2891a2d5a9121b1cf104545d2461bd0751555b2fcc783f9d6d51ab675f60ebe7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5800",
    "kind": "arxiv",
    "version": 1
  }
}