Pith Number

pith:WU6BIEMB

pith:2006:WU6BIEMBRT4HXEQ36JINJTSERK

not attested not anchored not stored refs pending

A New Measurement of the Stellar Mass Density at z~5: Implications for the Sources of Cosmic Reionization

A.J. Bunker (Exeter), D.P. Stark (Caltech), L.P. Eyles (Exeter) & M. Lacy (SSC), R.S. Ellis (Caltech)

arxiv:astro-ph/0604250 v2 · 2006-04-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WU6BIEMBRT4HXEQ36JINJTSERK}

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	2026-05-18T04:29:04.859084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b53c1411818cf87b921bf250d4ce448a81982de45c6cd2cf0d3b15a37cb7f731

Aliases

arxiv: astro-ph/0604250 · arxiv_version: astro-ph/0604250v2 · doi: 10.48550/arxiv.astro-ph/0604250 · pith_short_12: WU6BIEMBRT4H · pith_short_16: WU6BIEMBRT4HXEQ3 · pith_short_8: WU6BIEMB

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/WU6BIEMBRT4HXEQ36JINJTSERK \
  | 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: b53c1411818cf87b921bf250d4ce448a81982de45c6cd2cf0d3b15a37cb7f731

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db4d2ffe2e1f0670acf715f36eb96af469da6d16341117ece7933d30609b4b76",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-04-12T19:41:03Z",
    "title_canon_sha256": "e3b4c1d7f4dac0ade7076c7cd74a619db87b8b58692046f883bc9cf18adf6fa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0604250",
    "kind": "arxiv",
    "version": 2
  }
}