Pith Number

pith:FHZMJMJB

pith:2013:FHZMJMJB4XWPE6XICO25ETMENJ

not attested not anchored not stored refs pending

The 21cm Power Spectrum and the Shapes of Non-Gaussianity

Sirichai Chongchitnan

arxiv:1303.4387 v1 · 2013-03-18 · 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{FHZMJMJB4XWPE6XICO25ETMENJ}

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	2026-05-18T01:51:01.085803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29f2c4b121e5ecf27ae813b5d24d846a45bef5a38634b286d175989e7eac340a

Aliases

arxiv: 1303.4387 · arxiv_version: 1303.4387v1 · doi: 10.48550/arxiv.1303.4387 · pith_short_12: FHZMJMJB4XWP · pith_short_16: FHZMJMJB4XWPE6XI · pith_short_8: FHZMJMJB

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/FHZMJMJB4XWPE6XICO25ETMENJ \
  | 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: 29f2c4b121e5ecf27ae813b5d24d846a45bef5a38634b286d175989e7eac340a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bcc38cf09dc93776d3487b731eb0b2ab2ee59ebd215e0fbc5abc38f81c3070b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-18T20:00:00Z",
    "title_canon_sha256": "e7f266abbeb2014ce4b5d2bf4ab6279abd61657b7c18e62b8a7ac798377efa67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4387",
    "kind": "arxiv",
    "version": 1
  }
}