Pith Number

pith:R2P56277

pith:2013:R2P5627723GALTW5BSFOIZOHCK

not attested not anchored not stored refs pending

Why multi-tracer surveys beat cosmic variance

Katie E. Leonard, L. Raul Abramo

arxiv:1302.5444 v2 · 2013-02-21 · 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{R2P5627723GALTW5BSFOIZOHCK}

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	2026-05-18T01:51:34.265274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e9fdf6bffd6cc05cedd0c8ae465c71287c9957c9b36a6437c8597c0948dd6fe

Aliases

arxiv: 1302.5444 · arxiv_version: 1302.5444v2 · doi: 10.48550/arxiv.1302.5444 · pith_short_12: R2P5627723GA · pith_short_16: R2P5627723GALTW5 · pith_short_8: R2P56277

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/R2P5627723GALTW5BSFOIZOHCK \
  | 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: 8e9fdf6bffd6cc05cedd0c8ae465c71287c9957c9b36a6437c8597c0948dd6fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46987ce0ac54087ec56f4131439e1e858798da7c7ef1b2327c4258da066ec517",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-21T22:34:20Z",
    "title_canon_sha256": "8b7524bdf31fb2a7e214014886c2f599aa13110fba124bea70465783e56e41d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5444",
    "kind": "arxiv",
    "version": 2
  }
}