Pith Number

pith:CWNB3H4Z

pith:2015:CWNB3H4ZXEAEGDR3YBYD22GWYX

not attested not anchored not stored refs pending

Beacons In the Dark: Using Novae and Supernovae to Detect Dwarf Galaxies in the Local Universe

Charlie Conroy, James S. Bullock

arxiv:1504.04015 v1 · 2015-04-15 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWNB3H4ZXEAEGDR3YBYD22GWYX}

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	2026-05-18T02:03:32.691130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

159a1d9f99b900430e3bc0703d68d6c5d8efbd1388aa5121782c6387981dedae

Aliases

arxiv: 1504.04015 · arxiv_version: 1504.04015v1 · doi: 10.48550/arxiv.1504.04015 · pith_short_12: CWNB3H4ZXEAE · pith_short_16: CWNB3H4ZXEAEGDR3 · pith_short_8: CWNB3H4Z

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/CWNB3H4ZXEAEGDR3YBYD22GWYX \
  | 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: 159a1d9f99b900430e3bc0703d68d6c5d8efbd1388aa5121782c6387981dedae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e8e871278e8c4cff15cc19d9142c49d38fbd53a2d1337975a0b309c774dba29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-15T20:00:37Z",
    "title_canon_sha256": "9cfa9f080e3bc82f007a47552b5a4e26cbcf5361b03674a5b69db9174be4db91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04015",
    "kind": "arxiv",
    "version": 1
  }
}