Pith Number

pith:YYFJPEXF

pith:2007:YYFJPEXFDPDQFEAOSP5HLL5BX4

not attested not anchored not stored refs pending

NGC 2419: an "intergalactic wanderer" or a simple Galactic Globular Cluster?

C. Greco, G. Clementini, I. Musella, L. Baldacci, L. Di Fabrizio, L. Federici, M. Dall'Ora, M. Di Criscienzo, M. Maio, M. Marconi, V. Ripepi

arxiv:0712.0729 v1 · 2007-12-05 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YYFJPEXFDPDQFEAOSP5HLL5BX4}

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	2026-07-04T15:06:04.440565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c60a9792e51bc702900e93fa75afa1bf18e0c12791135d5f548433652d5009fd

Aliases

arxiv: 0712.0729 · arxiv_version: 0712.0729v1 · doi: 10.48550/arxiv.0712.0729 · pith_short_12: YYFJPEXFDPDQ · pith_short_16: YYFJPEXFDPDQFEAO · pith_short_8: YYFJPEXF

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/YYFJPEXFDPDQFEAOSP5HLL5BX4 \
  | 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: c60a9792e51bc702900e93fa75afa1bf18e0c12791135d5f548433652d5009fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20ffd5e772dde782688e6febb2865efc59824dd8f93bcc51ac937998e82b59c1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-05T14:16:17Z",
    "title_canon_sha256": "33b94a8dbbac61d158bdf7be303764f99a5aeec427a7ba2bbc50f84c1578ccec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.0729",
    "kind": "arxiv",
    "version": 1
  }
}