Pith Number

pith:FGR47BRK

pith:2001:FGR47BRKUHYSBW2EPYM64EKI2D

not attested not anchored not stored refs pending

X-Ray Microlensing of Bright Quasars

Atsunori Yonehara, Rohta Takahashi, Shin Mineshige

arxiv:astro-ph/0107087 v1 · 2001-07-05 · 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{FGR47BRKUHYSBW2EPYM64EKI2D}

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	2026-05-18T01:40:44.349616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29a3cf862aa1f120db447e19ee1148d0d3d4adfd069cb29ea59e8ac33e5b2724

Aliases

arxiv: astro-ph/0107087 · arxiv_version: astro-ph/0107087v1 · doi: 10.48550/arxiv.astro-ph/0107087 · pith_short_12: FGR47BRKUHYS · pith_short_16: FGR47BRKUHYSBW2E · pith_short_8: FGR47BRK

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/FGR47BRKUHYSBW2EPYM64EKI2D \
  | 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: 29a3cf862aa1f120db447e19ee1148d0d3d4adfd069cb29ea59e8ac33e5b2724

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6fb04150d2712a2eac204d0d6c69f7903d687fe0e4c0cc096fa391e8cfac020",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-05T08:12:46Z",
    "title_canon_sha256": "9b249f75e3506f08911a6cabae2ec8e54b7a9b13a57e4e0f597b3f29570a6d24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107087",
    "kind": "arxiv",
    "version": 1
  }
}