Pith Number

pith:SWLQUSEF

pith:2013:SWLQUSEFT3Z4SDG7DAJSFNRQNR

not attested not anchored not stored refs pending

A search for nontoroidal topological lensing in the Sloan Digital Sky Survey quasar catalog

Hirokazu Fujii, Yuzuru Yoshii

arxiv:1306.2737 v1 · 2013-06-12 · 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{SWLQUSEFT3Z4SDG7DAJSFNRQNR}

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	2026-05-18T01:49:23.367789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95970a48859ef3c90cdf181322b6306c496df9dcbd2d9350b0a2796c9779652a

Aliases

arxiv: 1306.2737 · arxiv_version: 1306.2737v1 · doi: 10.48550/arxiv.1306.2737 · pith_short_12: SWLQUSEFT3Z4 · pith_short_16: SWLQUSEFT3Z4SDG7 · pith_short_8: SWLQUSEF

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/SWLQUSEFT3Z4SDG7DAJSFNRQNR \
  | 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: 95970a48859ef3c90cdf181322b6306c496df9dcbd2d9350b0a2796c9779652a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de9fa0b524fd00263a7f0da50a74366cfbaf2cb11e138a91db36c0fbb6d1bd10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-12T08:00:39Z",
    "title_canon_sha256": "7cfb0401e84d97d2a234610379414aef73e2299993740b577cc4f5a011d8a6dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2737",
    "kind": "arxiv",
    "version": 1
  }
}