Pith Number

pith:7YIXUX37

pith:2011:7YIXUX37GCXIKJQU7MAUE2H4F6

not attested not anchored not stored refs pending

The globular cluster NGC 2419: a crucible for theories of gravity

A. Sollima, C. Nipoti, E. Dalessandro, M. Bellazzini, R. Ibata, S.C. Chapman

arxiv:1106.4909 v1 · 2011-06-24 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YIXUX37GCXIKJQU7MAUE2H4F6}

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	2026-05-18T02:01:31.212346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe117a5f7f30ae852614fb014268fc2fa6641eb779c4bfea977f79988afb8067

Aliases

arxiv: 1106.4909 · arxiv_version: 1106.4909v1 · doi: 10.48550/arxiv.1106.4909 · pith_short_12: 7YIXUX37GCXI · pith_short_16: 7YIXUX37GCXIKJQU · pith_short_8: 7YIXUX37

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/7YIXUX37GCXIKJQU7MAUE2H4F6 \
  | 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: fe117a5f7f30ae852614fb014268fc2fa6641eb779c4bfea977f79988afb8067

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a48538e9d913770b5e54f41fda53b0b3e546ae63ea5c5ee6479987004acc226",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-24T08:42:56Z",
    "title_canon_sha256": "7fadcd4fe843baa29866f14f44efcd07c9120dacfcedf8dbdfa670d78d6ebfcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4909",
    "kind": "arxiv",
    "version": 1
  }
}