Pith Number

pith:6MYKRBWG

pith:2011:6MYKRBWGI3LKPZKVJNKTVTJRPW

not attested not anchored not stored refs pending

Polytropic model fits to the globular cluster NGC 2419 in Modified Newtonian Dynamics

Antonio Sollima, Carlo Nipoti, Emanuele Dalessandro, Michele Bellazzini, Rodrigo Ibata, Scott Chapman

arxiv:1110.3892 v1 · 2011-10-18 · 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{6MYKRBWGI3LKPZKVJNKTVTJRPW}

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	2026-05-18T02:00:09.547026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f330a886c646d6a7e5554b553acd317db14a603adf5c48c057506235a2f8d407

Aliases

arxiv: 1110.3892 · arxiv_version: 1110.3892v1 · doi: 10.48550/arxiv.1110.3892 · pith_short_12: 6MYKRBWGI3LK · pith_short_16: 6MYKRBWGI3LKPZKV · pith_short_8: 6MYKRBWG

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/6MYKRBWGI3LKPZKVJNKTVTJRPW \
  | 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: f330a886c646d6a7e5554b553acd317db14a603adf5c48c057506235a2f8d407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2fccc2769b2bba04ed2750f65223cb895f0e1b7d379cc094f625174a7357a98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-18T07:25:01Z",
    "title_canon_sha256": "13fe00875fdf84fb72830483bef6979782739757fe3ae71469110a6de821183d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.3892",
    "kind": "arxiv",
    "version": 1
  }
}