Pith Number

pith:KIHJVNME

pith:1994:KIHJVNMEIK63PW6XUGR2QYMPA4

not attested not anchored not stored refs pending

The Amplitude and Spectral Index of the Large Angular Scale Anisotropy in the Cosmic Microwave Background Radiation

Edward Cheng, Ken Ganga, Lyman Page, Stephan Meyer

arxiv:astro-ph/9404009 v1 · 1994-04-07 · astro-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{KIHJVNMEIK63PW6XUGR2QYMPA4}

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	2026-07-04T15:56:04.526556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

520e9ab58442bdb7dbd7a1a3a8618f07312dba981140ddca66d271deb2431e14

Aliases

arxiv: astro-ph/9404009 · arxiv_version: astro-ph/9404009v1 · doi: 10.48550/arxiv.astro-ph/9404009 · pith_short_12: KIHJVNMEIK63 · pith_short_16: KIHJVNMEIK63PW6X · pith_short_8: KIHJVNME

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/KIHJVNMEIK63PW6XUGR2QYMPA4 \
  | 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: 520e9ab58442bdb7dbd7a1a3a8618f07312dba981140ddca66d271deb2431e14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f615c10a7b1a49f337a7e8abb560bb81d2a7486ab1f88c9b6778f00ee307da95",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-04-07T02:43:48Z",
    "title_canon_sha256": "aaf46b35fa06deff35721bbd7608c36e210afab9f777581d5378dccf66d055eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9404009",
    "kind": "arxiv",
    "version": 1
  }
}