Pith Number

pith:NC5XYJCW

pith:2013:NC5XYJCWXAQS5KF6TCR3FOUMO3

not attested not anchored not stored refs pending

First measurement of gravitational lensing by cosmic voids in SDSS

Benjamin D. Wandelt, Elisabeth Krause, Erin S. Sheldon, Peter Melchior, P. M. Sutter

arxiv:1309.2045 v2 · 2013-09-09 · 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{NC5XYJCWXAQS5KF6TCR3FOUMO3}

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	2026-05-18T01:47:44.425105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68bb7c2456b8212ea8be98a3b2ba8c76c4d381ddbb1f20685c3c34322b49b42b

Aliases

arxiv: 1309.2045 · arxiv_version: 1309.2045v2 · doi: 10.48550/arxiv.1309.2045 · pith_short_12: NC5XYJCWXAQS · pith_short_16: NC5XYJCWXAQS5KF6 · pith_short_8: NC5XYJCW

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/NC5XYJCWXAQS5KF6TCR3FOUMO3 \
  | 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: 68bb7c2456b8212ea8be98a3b2ba8c76c4d381ddbb1f20685c3c34322b49b42b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4a5dcae3db6809872c195e5d48d2a8f52ec1da71ce7b88cda7e30faaefdf263",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-09T04:40:51Z",
    "title_canon_sha256": "e499bf8af55083fefbf3a12ee051110a5178cec6bdd784835c69d6f5dc36e78d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2045",
    "kind": "arxiv",
    "version": 2
  }
}