Pith Number

pith:2IYF5FG7

pith:2012:2IYF5FG7OO6IMGVR4PYDDUQQTA

not attested not anchored not stored refs pending

Growth and anisotropy of ionization fronts near high redshift quasars in the MassiveBlack simulation

Nishikanta Khandai, Rupert A. C. Croft, Tiziana Di Matteo, Yu Feng

arxiv:1208.6544 v2 · 2012-08-31 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IYF5FG7OO6IMGVR4PYDDUQQTA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:54:48.883827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2305e94df73bc861ab1e3f031d2109811fe7795babdc39967fea40d7e228897

Aliases

arxiv: 1208.6544 · arxiv_version: 1208.6544v2 · doi: 10.48550/arxiv.1208.6544 · pith_short_12: 2IYF5FG7OO6I · pith_short_16: 2IYF5FG7OO6IMGVR · pith_short_8: 2IYF5FG7

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/2IYF5FG7OO6IMGVR4PYDDUQQTA \
  | 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: d2305e94df73bc861ab1e3f031d2109811fe7795babdc39967fea40d7e228897

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9c0ddb96424126090e40d3f463b99d2766efc58204f6889d2d792331a2aa8d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-31T16:40:04Z",
    "title_canon_sha256": "e8f37a9f58701cee7a3ec9d59bcdde96e7bbc95de0f17b8e2c64c5f6db728e75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.6544",
    "kind": "arxiv",
    "version": 2
  }
}