Pith Number

pith:BAY4MAGX

pith:2002:BAY4MAGXNOZFWC3JFBPAIIREXF

not attested not anchored not stored refs pending

A Short, Non-Planetary, Microlensing Anomaly: Observations and Lightcurve Analysis of MACHO 99-BLG-47

A. Gould, A. Williams (The PLANET Collaboration), B. S. Gaudi, D. L. DePoy, J. An, J. A. R. Caldwell, J. Greenhill, J. Menzies, J.-P. Beaulieu, K. C. Sahu, K. Hill, K. R. Pollard, M. D. Albrow, M. Dominik, P. D. Sackett, P. Vermaak, R. Martin, R. Watson, R. W. Pogge, S. Kane

arxiv:astro-ph/0201256 v2 · 2002-01-15 · 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{BAY4MAGXNOZFWC3JFBPAIIREXF}

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	2026-07-04T15:22:56.909172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0831c600d76bb25b0b69285e042224b95a9173e2d95381b8f1b2b29ff164a41e

Aliases

arxiv: astro-ph/0201256 · arxiv_version: astro-ph/0201256v2 · doi: 10.48550/arxiv.astro-ph/0201256 · pith_short_12: BAY4MAGXNOZF · pith_short_16: BAY4MAGXNOZFWC3J · pith_short_8: BAY4MAGX

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/BAY4MAGXNOZFWC3JFBPAIIREXF \
  | 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: 0831c600d76bb25b0b69285e042224b95a9173e2d95381b8f1b2b29ff164a41e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a62564af5b073ba119a87320638f4dcb1c25074cd40a8b5900c895270b79a10",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-15T21:29:37Z",
    "title_canon_sha256": "e1c815a7674bfcb5de9add17070f40a34d3dae0bcae0e5ff61826084ad3b1b28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201256",
    "kind": "arxiv",
    "version": 2
  }
}