Pith Number

pith:6CCCKIIM

pith:2013:6CCCKIIMWDQADZQ5A2OTHO6JQC

not attested not anchored not stored refs pending

Formation of the First Stars

Volker Bromm

arxiv:1305.5178 v2 · 2013-05-22 · 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{6CCCKIIMWDQADZQ5A2OTHO6JQC}

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.

Cited by

1 paper in Pith

Primordial Magnetic Fields at Cosmic Dawn: 21-cm Forecasts with HERA and SKA

Receipt and verification

First computed	2026-05-18T03:05:26.054037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f08425210cb0e001e61d069d33bbc980b1fe17381a4defbd788253f225a1a142

Aliases

arxiv: 1305.5178 · arxiv_version: 1305.5178v2 · doi: 10.48550/arxiv.1305.5178 · pith_short_12: 6CCCKIIMWDQA · pith_short_16: 6CCCKIIMWDQADZQ5 · pith_short_8: 6CCCKIIM

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/6CCCKIIMWDQADZQ5A2OTHO6JQC \
  | 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: f08425210cb0e001e61d069d33bbc980b1fe17381a4defbd788253f225a1a142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c27b785a07913552a60c1d0bc00f9593cef02b1c2cf9152f097d2ca7aa05c649",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-22T15:58:44Z",
    "title_canon_sha256": "308e7ee0dbe36eb67f9c60f5519b0481b0a5933d91ff4ed267c27dc6a5507bdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5178",
    "kind": "arxiv",
    "version": 2
  }
}