Pith Number

pith:JXDLWQLW

pith:2013:JXDLWQLWLWZO6BXLFGRLYSW7KH

not attested not anchored not stored refs pending

Infrared photometry of Young Massive Clusters in the starburst galaxy NGC 4214

A. Bragaglia, A. Sollima, E. Carretta, R.G. Gratton, S. Lucatello

arxiv:1305.1857 v1 · 2013-05-08 · astro-ph.CO · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JXDLWQLWLWZO6BXLFGRLYSW7KH}

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	2026-05-18T01:50:04.691015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dc6bb41765db2ef06eb29a2bc4adf51e05bcd515619e1a54f1443abc63ddb9a

Aliases

arxiv: 1305.1857 · arxiv_version: 1305.1857v1 · doi: 10.48550/arxiv.1305.1857 · pith_short_12: JXDLWQLWLWZO · pith_short_16: JXDLWQLWLWZO6BXL · pith_short_8: JXDLWQLW

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/JXDLWQLWLWZO6BXLFGRLYSW7KH \
  | 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: 4dc6bb41765db2ef06eb29a2bc4adf51e05bcd515619e1a54f1443abc63ddb9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cff8a1ca4a40e53568126e729bc7f9af0875db56c1659c6b591d1502735e738",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-08T15:43:04Z",
    "title_canon_sha256": "5f264f03b9b663754786e18c127dc5b01b4fb5f1eeb1d5a604a5259a5739789b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1857",
    "kind": "arxiv",
    "version": 1
  }
}