Pith Number

pith:YF5PN35S

pith:2010:YF5PN35SRH2IT4DBNQK6BALTXK

not attested not anchored not stored refs pending

Search for exoplanets in M31 with pixel-lensing and the PA-99-N2 event revisited

A.A. Nucita, A.F. Zakharov, F. De Paolis, G. Ingrosso, Ph. Jetzer, S. Calchi-Novati

arxiv:1001.4342 v1 · 2010-01-25 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YF5PN35SRH2IT4DBNQK6BALTXK}

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	2026-05-18T02:09:30.475098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c17af6efb289f489f0616c15e08173ba82bb83d01d9de11774ee8bc17132df61

Aliases

arxiv: 1001.4342 · arxiv_version: 1001.4342v1 · doi: 10.48550/arxiv.1001.4342 · pith_short_12: YF5PN35SRH2I · pith_short_16: YF5PN35SRH2IT4DB · pith_short_8: YF5PN35S

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/YF5PN35SRH2IT4DBNQK6BALTXK \
  | 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: c17af6efb289f489f0616c15e08173ba82bb83d01d9de11774ee8bc17132df61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b4bd077d5cb1538179aa9f31aa7f96b1f068aa71d5e81162aa53dc5e2bac73c",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-01-25T09:16:10Z",
    "title_canon_sha256": "2faa44075a3c277875ed963aa5180cc0cb3d631275fdc05d1eac80b0bcfe6199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4342",
    "kind": "arxiv",
    "version": 1
  }
}