pith. sign in
Pith Number

pith:NPDQAVE2

pith:2009:NPDQAVE2FAXGJSEB4IROZO6I7I
not attested not anchored not stored refs pending

Pixel lensing: Microlensing towards M31

INFN sez. di Napoli, Italy, Italy), S. Calchi Novati (University of Salerno

arxiv:0912.2667 v1 · 2009-12-14 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NPDQAVE2FAXGJSEB4IROZO6I7I}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T04:42:01.910821Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6bc700549a282e64c881e222ecbbc8fa33a0d75fe0980a03e48de9c4860748f1

Aliases

arxiv: 0912.2667 · arxiv_version: 0912.2667v1 · doi: 10.48550/arxiv.0912.2667 · pith_short_12: NPDQAVE2FAXG · pith_short_16: NPDQAVE2FAXGJSEB · pith_short_8: NPDQAVE2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NPDQAVE2FAXGJSEB4IROZO6I7I \
  | 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: 6bc700549a282e64c881e222ecbbc8fa33a0d75fe0980a03e48de9c4860748f1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "facb94d62e29325d60e58639c5e916935a682de76d6ab7cd1b8841ee37cd1025",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-12-14T15:33:41Z",
    "title_canon_sha256": "1a2c788a5069089db1d9c7e2ac75516b3dd4fd8ddcb85bace8a1c5bae124bac5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2667",
    "kind": "arxiv",
    "version": 1
  }
}