Pith Number

pith:WPA43CO3

pith:2012:WPA43CO3WUEQGYM7FWKHSXEAFE

not attested not anchored not stored refs pending

An investigation of star formation and dust attenuation in major mergers using ultraviolet and infrared data

D. Burgarella, F.-T. Yuan, J. Iglesias-P\'aramo, T. T. Takeuchi, V. Buat, Y. Matsuoka

arxiv:1212.1956 v1 · 2012-12-10 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WPA43CO3WUEQGYM7FWKHSXEAFE}

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	2026-05-18T03:38:54.639393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3c1cd89dbb50903619f2d94795c8029134e5be9a2b0e8e014f2fc77b18d87e3

Aliases

arxiv: 1212.1956 · arxiv_version: 1212.1956v1 · doi: 10.48550/arxiv.1212.1956 · pith_short_12: WPA43CO3WUEQ · pith_short_16: WPA43CO3WUEQGYM7 · pith_short_8: WPA43CO3

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/WPA43CO3WUEQGYM7FWKHSXEAFE \
  | 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: b3c1cd89dbb50903619f2d94795c8029134e5be9a2b0e8e014f2fc77b18d87e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74cd477b87c2a99b0cdf302f9a1bce8a9f2ec64d1e789e3a6d4bec665df84d09",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-10T03:01:06Z",
    "title_canon_sha256": "82d68ecb90c3f750a46afdf28538454a5ea727fb1f2325c88f72b749d5ac4ef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1956",
    "kind": "arxiv",
    "version": 1
  }
}