Pith Number

pith:427DNGNS

pith:2009:427DNGNS6RZQY2PD65YBJLTRIO

not attested not anchored not stored refs pending

Fold Lens Flux Anomalies: A Geometric Approach

David M. Goldberg, Gordon T. Richards, Mary K. Chessey, Wendy B. Harris

arxiv:0912.0916 v2 · 2009-12-04 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{427DNGNS6RZQY2PD65YBJLTRIO}

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	2026-05-18T02:34:02.267557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6be3699b2f4730c69e3f77014ae71439f5545811add61b8ae93d230758d24ff

Aliases

arxiv: 0912.0916 · arxiv_version: 0912.0916v2 · doi: 10.48550/arxiv.0912.0916 · pith_short_12: 427DNGNS6RZQ · pith_short_16: 427DNGNS6RZQY2PD · pith_short_8: 427DNGNS

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/427DNGNS6RZQY2PD65YBJLTRIO \
  | 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: e6be3699b2f4730c69e3f77014ae71439f5545811add61b8ae93d230758d24ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28abaf147e72e74eaf0ca14d185867bebcb53f46a5cbec687ab535f6e9906e83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-04T20:46:11Z",
    "title_canon_sha256": "6cd4a22d7eb979b667a8be26d250dcace3236c696af9b99c1d2147cc9c12eff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0916",
    "kind": "arxiv",
    "version": 2
  }
}