Pith Number

pith:S7WXVIUO

pith:2003:S7WXVIUOARY4WLGQ6BTKMWUPD7

not attested not anchored not stored refs pending

New infrared star clusters in the southern Milky Way with 2MASS

(2) Universidade Federal do Rio Grande do Sul, B. Barbuy (1) ((1) Universidade de Sao Paulo, Brazil, Brazil.), C.M. Dutra (1), E. Bica (2), J. Soares (2)

arxiv:astro-ph/0301221 v1 · 2003-01-13 · 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{S7WXVIUOARY4WLGQ6BTKMWUPD7}

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	2026-05-18T04:21:42.185306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97ed7aa28e0471cb2cd0f066a65a8f1ff687219088344433c77a3b616465bc22

Aliases

arxiv: astro-ph/0301221 · arxiv_version: astro-ph/0301221v1 · doi: 10.48550/arxiv.astro-ph/0301221 · pith_short_12: S7WXVIUOARY4 · pith_short_16: S7WXVIUOARY4WLGQ · pith_short_8: S7WXVIUO

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/S7WXVIUOARY4WLGQ6BTKMWUPD7 \
  | 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: 97ed7aa28e0471cb2cd0f066a65a8f1ff687219088344433c77a3b616465bc22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86c98ce4a472e9324586c26435249d979b30147192929b165b625be2e9a0ea3f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-13T17:58:56Z",
    "title_canon_sha256": "12f5d6c3f7261a9545645a4fe81fe33a8cbce85be7fc26365207d16d66a2583a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301221",
    "kind": "arxiv",
    "version": 1
  }
}