Pith Number

pith:I63Q3RAC

pith:2012:I63Q3RACL2JZDBFUT5UHWF4HXC

not attested not anchored not stored refs pending

Kickstarting Reionization with the First Black Holes: the effects of second-order perturbation theory in pre-reionization volumes

John H. Wise, Kelly Holley-Bockelmann, Manodeep Sinha

arxiv:1211.1394 v1 · 2012-11-06 · 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{I63Q3RACL2JZDBFUT5UHWF4HXC}

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	2026-05-18T01:53:24.752163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47b70dc4025e939184b49f687b1787b8bb5818ab102a0756d80f72f998237761

Aliases

arxiv: 1211.1394 · arxiv_version: 1211.1394v1 · doi: 10.48550/arxiv.1211.1394 · pith_short_12: I63Q3RACL2JZ · pith_short_16: I63Q3RACL2JZDBFU · pith_short_8: I63Q3RAC

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/I63Q3RACL2JZDBFUT5UHWF4HXC \
  | 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: 47b70dc4025e939184b49f687b1787b8bb5818ab102a0756d80f72f998237761

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17f89d4384b92e596ea38ee23e4140ce49454db6ac0efd67f99f2211bdf8912a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-06T21:00:22Z",
    "title_canon_sha256": "67d2ae23f7b9ce21ab2e40e23a7882eab51873bed008a14e163c03cb67184852"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1394",
    "kind": "arxiv",
    "version": 1
  }
}