Pith Number

pith:JXO4JJFX

pith:2003:JXO4JJFX3TZVUY5IVJDUJED2VZ

not attested not anchored not stored refs pending

Uncovering the Beast: Discovery of Embedded Massive Stellar Clusters in W49A

Joao Alves, Nicole Homeier

arxiv:astro-ph/0304279 v1 · 2003-04-15 · 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{JXO4JJFX3TZVUY5IVJDUJED2VZ}

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	2026-07-04T16:36:51.824492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dddc4a4b7dcf35a63a8aa4744907aae7099975096e8899f51447a3228346bb9

Aliases

arxiv: astro-ph/0304279 · arxiv_version: astro-ph/0304279v1 · doi: 10.48550/arxiv.astro-ph/0304279 · pith_short_12: JXO4JJFX3TZV · pith_short_16: JXO4JJFX3TZVUY5I · pith_short_8: JXO4JJFX

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/JXO4JJFX3TZVUY5IVJDUJED2VZ \
  | 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: 4dddc4a4b7dcf35a63a8aa4744907aae7099975096e8899f51447a3228346bb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "012cc27c90b89c09728bec6e2a37122d335c838b55d65de967f18ce1542a5dbe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-15T11:40:15Z",
    "title_canon_sha256": "999ef8ee582568cb875df4b1367de321bfb75c26cadd4d4a7e80bbaa2b189844"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304279",
    "kind": "arxiv",
    "version": 1
  }
}