Pith Number

pith:DWLI7HFG

pith:2004:DWLI7HFG7LEEZEUNZNOPSGUVMR

not attested not anchored not stored refs pending

A 2dF survey of the Small Magellanic Cloud

A. W. Burnley, C. J. Evans, I. D. Howarth, M. J. Irwin, T. J. Harries

arxiv:astro-ph/0406409 v1 · 2004-06-18 · 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{DWLI7HFG7LEEZEUNZNOPSGUVMR}

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	2026-05-18T02:40:26.354118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d968f9ca6fac84c928dcb5cf91a95645188d41083eb0e646ebc9a3cf542ec14

Aliases

arxiv: astro-ph/0406409 · arxiv_version: astro-ph/0406409v1 · doi: 10.48550/arxiv.astro-ph/0406409 · pith_short_12: DWLI7HFG7LEE · pith_short_16: DWLI7HFG7LEEZEUN · pith_short_8: DWLI7HFG

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/DWLI7HFG7LEEZEUNZNOPSGUVMR \
  | 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: 1d968f9ca6fac84c928dcb5cf91a95645188d41083eb0e646ebc9a3cf542ec14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2639b6e7950cd32dd588459e00528e1ecae37c19fb42fd143883afe637fa604f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-18T07:37:03Z",
    "title_canon_sha256": "42f51b376501fedfc2e4f73eebd624b66213c2e5f5a2255db759444022b0a042"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406409",
    "kind": "arxiv",
    "version": 1
  }
}