Pith Number

pith:4SDV5VQW

pith:2012:4SDV5VQW4EY5JPKISZNC4HZXFW

not attested not anchored not stored refs pending

CMB Bispectrum from Non-linear Effects during Recombination

E. P. S. Shellard, Eugene A. Lim, S.-C. Su

arxiv:1212.6968 v2 · 2012-12-31 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SDV5VQW4EY5JPKISZNC4HZXFW}

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	2026-05-18T03:33:13.516266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4875ed616e131d4bd48965a2e1f372d99a6eda76dc49d18828fb0a885c14a5c

Aliases

arxiv: 1212.6968 · arxiv_version: 1212.6968v2 · doi: 10.48550/arxiv.1212.6968 · pith_short_12: 4SDV5VQW4EY5 · pith_short_16: 4SDV5VQW4EY5JPKI · pith_short_8: 4SDV5VQW

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/4SDV5VQW4EY5JPKISZNC4HZXFW \
  | 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: e4875ed616e131d4bd48965a2e1f372d99a6eda76dc49d18828fb0a885c14a5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac4b862b54c0dd29bcfb91f4f86f79d12d54ebc6145ba25872ad9d134646db79",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-31T20:34:23Z",
    "title_canon_sha256": "cb608233a71d2eec3b317df7723aabcdf016c648a929e12de9ac8e08474e0546"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6968",
    "kind": "arxiv",
    "version": 2
  }
}