Pith Number

pith:XOUWVPM2

pith:1993:XOUWVPM2RGIGOEABWUAR45GX5C

not attested not anchored not stored refs pending

Cosmic Variance in CMB Anisotropies: From $1^{\circ}$ to COBE

Joseph Silk, Lawrence M. Krauss, Martin White

arxiv:astro-ph/9303009 v2 · 1993-03-19 · astro-ph · 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{XOUWVPM2RGIGOEABWUAR45GX5C}

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	2026-05-18T01:07:43.017533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bba96abd9a8990671001b5011e74d7e89662688f0c756c0f5ba3efad2c1ca4a2

Aliases

arxiv: astro-ph/9303009 · arxiv_version: astro-ph/9303009v2 · doi: 10.48550/arxiv.astro-ph/9303009 · pith_short_12: XOUWVPM2RGIG · pith_short_16: XOUWVPM2RGIGOEAB · pith_short_8: XOUWVPM2

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/XOUWVPM2RGIGOEABWUAR45GX5C \
  | 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: bba96abd9a8990671001b5011e74d7e89662688f0c756c0f5ba3efad2c1ca4a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1775d6f8f91966b56967a1c3ac1d89f6804698bbb6048abfb39c4aa3446cdc3",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-03-19T18:09:02Z",
    "title_canon_sha256": "312f281c5412a099356dcafd93253c7f2d32d487371f12b43f084ef817c6b5ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9303009",
    "kind": "arxiv",
    "version": 2
  }
}