Pith Number

pith:A5WQQ7W7

pith:1995:A5WQQ7W75TI7AXJTUFVCY6E56B

not attested not anchored not stored refs pending

DIFFRACTION EFFECTS IN MICROLENSING OF Q2237+0305

B. Paczynski (Princeton Obs.), M. Jaroszynski (Warsaw Obs.)

arxiv:astro-ph/9503043 v1 · 1995-03-10 · 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{A5WQQ7W75TI7AXJTUFVCY6E56B}

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	2026-05-18T01:07:41.842126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

076d087edfecd1f05d33a16a2c789df07e032f9b1661dc43cbb1df2caaae6300

Aliases

arxiv: astro-ph/9503043 · arxiv_version: astro-ph/9503043v1 · doi: 10.48550/arxiv.astro-ph/9503043 · pith_short_12: A5WQQ7W75TI7 · pith_short_16: A5WQQ7W75TI7AXJT · pith_short_8: A5WQQ7W7

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/A5WQQ7W75TI7AXJTUFVCY6E56B \
  | 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: 076d087edfecd1f05d33a16a2c789df07e032f9b1661dc43cbb1df2caaae6300

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bb5a616720aa6f9d747723c33bdd311ad2dc449c086d0272f357b60bb42a721",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-03-10T10:03:47Z",
    "title_canon_sha256": "8ddae4cf95d07b2f2b5018c4bca8b3b90616a7a90496ec655e66491e34c59457"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9503043",
    "kind": "arxiv",
    "version": 1
  }
}