Pith Number

pith:56WIPOAT

pith:2008:56WIPOATJSQVWSIHP2DWTSUHGY

not attested not anchored not stored refs pending

The Initial Mass Function of the Stellar Association NGC 602 in the Small Magellanic Cloud with Hubble Space Telescope ACS Observations

Andrew E. Dolphin, Dimitrios A. Gouliermis, Markus Schmalzl, Thomas Henning

arxiv:0804.0543 v1 · 2008-04-03 · 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{56WIPOATJSQVWSIHP2DWTSUHGY}

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	2026-05-18T04:32:53.627229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efac87b8134ca15b49077e8769ca87363233cadedaccb2f67b97c6b2933bb503

Aliases

arxiv: 0804.0543 · arxiv_version: 0804.0543v1 · doi: 10.48550/arxiv.0804.0543 · pith_short_12: 56WIPOATJSQV · pith_short_16: 56WIPOATJSQVWSIH · pith_short_8: 56WIPOAT

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/56WIPOATJSQVWSIHP2DWTSUHGY \
  | 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: efac87b8134ca15b49077e8769ca87363233cadedaccb2f67b97c6b2933bb503

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d93701fb366e281f31e29a9026d4a8f948b9f0b5d180c36a510d245e2e2537c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-03T13:00:46Z",
    "title_canon_sha256": "8d7f139f0984a15170bca820462a2d5fdfa50eed90b2578b96cb00c942b493a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0543",
    "kind": "arxiv",
    "version": 1
  }
}