Pith Number

pith:WTO5ZL5M

pith:2001:WTO5ZL5MXDR5PNF45CLCM3UES5

not attested not anchored not stored refs pending

What's Behind Acoustic Peaks in the Cosmic Microwave Background Anisotropies

A. Balbi, C. Baccigalupi, F. Perrotta, N. Vittorio, S. Matarrese

arxiv:astro-ph/0112149 v1 · 2001-12-06 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTO5ZL5MXDR5PNF45CLCM3UES5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:40:43.656117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4dddcafacb8e3d7b4bce896266e8497473ba94bba0d15fbbac6de9ea6771b11

Aliases

arxiv: astro-ph/0112149 · arxiv_version: astro-ph/0112149v1 · doi: 10.48550/arxiv.astro-ph/0112149 · pith_short_12: WTO5ZL5MXDR5 · pith_short_16: WTO5ZL5MXDR5PNF4 · pith_short_8: WTO5ZL5M

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/WTO5ZL5MXDR5PNF45CLCM3UES5 \
  | 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: b4dddcafacb8e3d7b4bce896266e8497473ba94bba0d15fbbac6de9ea6771b11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "555b1f3fc2cdd829705c54e422d5187e0f262cd094835df3f6a6d103b838d57c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-12-06T15:41:19Z",
    "title_canon_sha256": "8b0f64def6682ebab9bf035cb9675b198198e0bb5ca0682d60055db219bfc2c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0112149",
    "kind": "arxiv",
    "version": 1
  }
}