Pith Number

pith:IWNY44CS

pith:2018:IWNY44CSRQKYMYLB55DOH7Q4TE

not attested not anchored not stored refs pending

Reconstruction of primordial tensor power spectra from B-mode polarization of the cosmic microwave background

Eiichiro Komatsu, Masashi Hazumi, Misao Sasaki, Takashi Hiramatsu

arxiv:1803.00176 v2 · 2018-03-01 · astro-ph.CO · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IWNY44CSRQKYMYLB55DOH7Q4TE}

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	2026-05-18T00:12:53.013952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

459b8e70528c15866161ef46e3fe1c992c28961d5397230887841cc28e23a3e1

Aliases

arxiv: 1803.00176 · arxiv_version: 1803.00176v2 · doi: 10.48550/arxiv.1803.00176 · pith_short_12: IWNY44CSRQKY · pith_short_16: IWNY44CSRQKYMYLB · pith_short_8: IWNY44CS

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/IWNY44CSRQKYMYLB55DOH7Q4TE \
  | 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: 459b8e70528c15866161ef46e3fe1c992c28961d5397230887841cc28e23a3e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d861f93dce0d96f18d568b80eaf32a1dbdd5352afa0b9d7ce8aabed2770a32f",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-03-01T02:41:43Z",
    "title_canon_sha256": "a7aec9872deb65f86de9d5af4bec49dd0a58d41b367928df7239d6dd35df9dee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00176",
    "kind": "arxiv",
    "version": 2
  }
}