Pith Number

pith:OBSR55IZ

pith:2008:OBSR55IZPDMBCRAFMY3JIIT7DH

not attested not anchored not stored refs pending

Analysis of non-Gaussian CMB maps based on the N-pdf. Application to WMAP data

J.L. Sanz, P. Vielva

arxiv:0812.1756 v2 · 2008-12-09 · 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{OBSR55IZPDMBCRAFMY3JIIT7DH}

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	2026-05-18T02:15:11.201100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70651ef51978d8114405663694227f19c5050e843d6cfc9b185aa2939c65d8e1

Aliases

arxiv: 0812.1756 · arxiv_version: 0812.1756v2 · doi: 10.48550/arxiv.0812.1756 · pith_short_12: OBSR55IZPDMB · pith_short_16: OBSR55IZPDMBCRAF · pith_short_8: OBSR55IZ

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/OBSR55IZPDMBCRAFMY3JIIT7DH \
  | 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: 70651ef51978d8114405663694227f19c5050e843d6cfc9b185aa2939c65d8e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa99b99510ea3ad0870f76a251d7d67845beef84d86836f7f5a2016613a83725",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-09T17:32:39Z",
    "title_canon_sha256": "914557dd314400137db17c69c05bdf2f18bafa00ed20eda37040725f3e5bb032"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.1756",
    "kind": "arxiv",
    "version": 2
  }
}