Pith Number

pith:UXI3HM5S

pith:2013:UXI3HM5SXFBJGTUYUJ5ONU7IHE

not attested not anchored not stored refs pending

An improved quasar detection method in EROS-2 and MACHO LMC datasets

Dae-Won Kim, Jean-Baptiste Marquette, Karim Pichara, Patrick Tisserand, Pavlos Protopapas

arxiv:1304.0401 v1 · 2013-04-01 · astro-ph.IM · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UXI3HM5SXFBJGTUYUJ5ONU7IHE}

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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	2026-05-18T03:29:17.039257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5d1b3b3b2b942934e98a27ae6d3e839390d82fd171783f9ff789fe2ba6b5327

Aliases

arxiv: 1304.0401 · arxiv_version: 1304.0401v1 · doi: 10.48550/arxiv.1304.0401 · pith_short_12: UXI3HM5SXFBJ · pith_short_16: UXI3HM5SXFBJGTUY · pith_short_8: UXI3HM5S

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/UXI3HM5SXFBJGTUYUJ5ONU7IHE \
  | 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: a5d1b3b3b2b942934e98a27ae6d3e839390d82fd171783f9ff789fe2ba6b5327

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82cf5512e68febeee35eca3a86f74a96516bb1fa66fe9d59ee2590a631a9c25b",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-04-01T17:50:05Z",
    "title_canon_sha256": "fd343567809aee93c1601b9967765d65e8acb1a4ec6d485fb5bf05b4c8bca2a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0401",
    "kind": "arxiv",
    "version": 1
  }
}