Pith Number

pith:D5IGBCCS

pith:2013:D5IGBCCSWATKMYB42W4HX7CBGJ

not attested not anchored not stored refs pending

Cosmological perturbations from a Spectator field during inflation

Anupam Mazumdar, Lingfei Wang

arxiv:1302.2637 v2 · 2013-02-11 · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D5IGBCCSWATKMYB42W4HX7CBGJ}

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	2026-05-18T03:20:09.258801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f50608852b026a6603cd5b87bfc41324af639c85f80f4c18b281f9288d56910

Aliases

arxiv: 1302.2637 · arxiv_version: 1302.2637v2 · doi: 10.48550/arxiv.1302.2637 · pith_short_12: D5IGBCCSWATK · pith_short_16: D5IGBCCSWATKMYB4 · pith_short_8: D5IGBCCS

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/D5IGBCCSWATKMYB42W4HX7CBGJ \
  | 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: 1f50608852b026a6603cd5b87bfc41324af639c85f80f4c18b281f9288d56910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db61aece0554a8e2c8f30f4bffebca6eef11966d1306f217178ed72f86fe6759",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-11T21:02:37Z",
    "title_canon_sha256": "4f2474977d447952340b755c8032defe9f14a4da2aaf1093e1dc31807c20641b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2637",
    "kind": "arxiv",
    "version": 2
  }
}