Pith Number

pith:STEMC2LT

pith:2004:STEMC2LTLSORTCSCND3LQNPIJP

not attested not anchored not stored refs pending

A Hint of Poincar\'e Dodecahedral Topology in the WMAP First Year Sky Map

(2) CAMK Warsaw), Andrzej Marecki (1), Bartosz Lew (1), Boudewijn F. Roukema (1), Magdalena Cechowska (1), Stanislaw Bajtlik (2) ((1) Torun Centre for Astronomy

arxiv:astro-ph/0402608 v4 · 2004-02-25 · astro-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STEMC2LTLSORTCSCND3LQNPIJP}

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	2026-05-18T04:17:53.690946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94c8c169735c9d198a4268f6b835e84be2d92f6871f80a48e232cc10a96f4c15

Aliases

arxiv: astro-ph/0402608 · arxiv_version: astro-ph/0402608v4 · doi: 10.48550/arxiv.astro-ph/0402608 · pith_short_12: STEMC2LTLSOR · pith_short_16: STEMC2LTLSORTCSC · pith_short_8: STEMC2LT

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/STEMC2LTLSORTCSCND3LQNPIJP \
  | 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: 94c8c169735c9d198a4268f6b835e84be2d92f6871f80a48e232cc10a96f4c15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa71de4d5ec24d7ae472c4efe725b98fa1f44d409e6d7682609bbabeaa62cbf2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-25T20:25:38Z",
    "title_canon_sha256": "88b2228307735ec80510ceabeba9b8cf86c89bf887dfb39119f795997755e07e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402608",
    "kind": "arxiv",
    "version": 4
  }
}