Pith Number

pith:WADS636K

pith:2011:WADS636KMCOYGWFXJM3TT3D3T4

not attested not anchored not stored refs pending

Old Massive Globular Clusters and the Stellar Halo of the Dwarf Starburst Galaxy NGC 4449

Anil C. Seth, Jay Strader, Nelson Caldwell

arxiv:1112.3958 v1 · 2011-12-16 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WADS636KMCOYGWFXJM3TT3D3T4}

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	2026-05-18T01:59:06.455524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0072f6fca609d8358b74b3739ec7b9f3a336cbe797e2cd9150aa1cadd322818

Aliases

arxiv: 1112.3958 · arxiv_version: 1112.3958v1 · doi: 10.48550/arxiv.1112.3958 · pith_short_12: WADS636KMCOY · pith_short_16: WADS636KMCOYGWFX · pith_short_8: WADS636K

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/WADS636KMCOYGWFXJM3TT3D3T4 \
  | 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: b0072f6fca609d8358b74b3739ec7b9f3a336cbe797e2cd9150aa1cadd322818

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c49eda5f82839e9eff36af9929229afec15a9074d725b9a7e42bb47495eedb42",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-16T21:00:00Z",
    "title_canon_sha256": "09e54f11de6a974fccd82b87409254a8feaf8d64c966e1c4539988126f674b0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3958",
    "kind": "arxiv",
    "version": 1
  }
}