Pith Number

pith:DCPKJEK5

pith:1998:DCPKJEK5SNF2KVSBAXJWTFSP5T

not attested not anchored not stored refs pending

Minkowski Functionals and Cluster Analysis for CMB Maps

D. Novikov, Hume A. Feldman, Sergei F. Shandarin (University of Kansas)

arxiv:astro-ph/9809238 v3 · 1998-09-18 · 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{DCPKJEK5SNF2KVSBAXJWTFSP5T}

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	2026-05-18T04:22:32.205106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

189ea4915d934ba5564105d369964feced3d94c743a2f13f7a353185a156f77d

Aliases

arxiv: astro-ph/9809238 · arxiv_version: astro-ph/9809238v3 · doi: 10.48550/arxiv.astro-ph/9809238 · pith_short_12: DCPKJEK5SNF2 · pith_short_16: DCPKJEK5SNF2KVSB · pith_short_8: DCPKJEK5

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/DCPKJEK5SNF2KVSBAXJWTFSP5T \
  | 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: 189ea4915d934ba5564105d369964feced3d94c743a2f13f7a353185a156f77d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03f443138c3e8c11d5e8de2f3d83f3a7e04851f8a19ee1a335256b5311e8bcc6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-09-18T17:02:30Z",
    "title_canon_sha256": "b02ee2216bed6eb504b3bc2cc4cde6c03044808cbfdf1dbc736aeadc6c236078"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9809238",
    "kind": "arxiv",
    "version": 3
  }
}