Pith Number

pith:IOFJ4FZQ

pith:2011:IOFJ4FZQC5JVBXLZH6LMHATLNV

not attested not anchored not stored refs pending

Primordial non-Gaussianity from the 21 cm Power Spectrum during the Epoch of Reionization

Caltech), Luis Ferramacho (CNRS, Manoj Kaplinghat (UC Irvine), Mario G. Santos (CENTRA-IST), Olivier Dore (JPL, Shahab Joudaki (UC Irvine), Toulouse)

arxiv:1105.1773 v2 · 2011-05-09 · 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{IOFJ4FZQC5JVBXLZH6LMHATLNV}

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	2026-05-18T04:12:02.023637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

438a9e1730175350dd793f96c3826b6d6351eab56b83cecfadba52f4c9d65c8f

Aliases

arxiv: 1105.1773 · arxiv_version: 1105.1773v2 · doi: 10.48550/arxiv.1105.1773 · pith_short_12: IOFJ4FZQC5JV · pith_short_16: IOFJ4FZQC5JVBXLZ · pith_short_8: IOFJ4FZQ

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/IOFJ4FZQC5JVBXLZH6LMHATLNV \
  | 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: 438a9e1730175350dd793f96c3826b6d6351eab56b83cecfadba52f4c9d65c8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfebb6fdbc1d5bb68d7734937655f84242a0b97e708376c2184f82cf679ec1cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-09T20:00:01Z",
    "title_canon_sha256": "84c9174bc98d82dc381bf636445610ba9793628f628f7f001a4042763bebb53d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1773",
    "kind": "arxiv",
    "version": 2
  }
}