Pith Number

pith:YRAFMTOX

pith:2013:YRAFMTOXLQ7S2BWOWNE372EZBL

not attested not anchored not stored refs pending

Tracing Galaxies Through Cosmic Time with Number Density Selection

Joel Leja, Marijn Franx, Pieter van Dokkum

arxiv:1302.1195 v1 · 2013-02-05 · 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{YRAFMTOXLQ7S2BWOWNE372EZBL}

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	2026-05-18T01:51:50.121910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c440564dd75c3f2d06ceb349bfe8990ac6425d19c4054c6fe3fc6df01eb18b71

Aliases

arxiv: 1302.1195 · arxiv_version: 1302.1195v1 · doi: 10.48550/arxiv.1302.1195 · pith_short_12: YRAFMTOXLQ7S · pith_short_16: YRAFMTOXLQ7S2BWO · pith_short_8: YRAFMTOX

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/YRAFMTOXLQ7S2BWOWNE372EZBL \
  | 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: c440564dd75c3f2d06ceb349bfe8990ac6425d19c4054c6fe3fc6df01eb18b71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fd8220699f3f6999372d83ff1293545e8eb87cf0d1e9a0d67dfe9606839410e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-05T21:00:00Z",
    "title_canon_sha256": "4120fd42a25b5f3b2543f8f48818c7ee8afd5b8807e692966785afbad07609b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1195",
    "kind": "arxiv",
    "version": 1
  }
}