Pith Number

pith:3K4CAORE

pith:2009:3K4CAOREVHRBZ7PKHAOWBVW4LP

not attested not anchored not stored refs pending

Making CMB temperature and polarization maps with Madam

A.-S. Sirvio, E. Keihanen, H. Kurki-Suonio, R. Keskitalo, T. Poutanen

arxiv:0907.0367 v2 · 2009-07-02 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3K4CAOREVHRBZ7PKHAOWBVW4LP}

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	2026-05-18T02:13:11.190967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dab8203a24a9e21cfdea381d60d6dc5be5f3ee9283b3858feed5da7aa9476241

Aliases

arxiv: 0907.0367 · arxiv_version: 0907.0367v2 · doi: 10.48550/arxiv.0907.0367 · pith_short_12: 3K4CAOREVHRB · pith_short_16: 3K4CAOREVHRBZ7PK · pith_short_8: 3K4CAORE

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/3K4CAOREVHRBZ7PKHAOWBVW4LP \
  | 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: dab8203a24a9e21cfdea381d60d6dc5be5f3ee9283b3858feed5da7aa9476241

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "513fecb02f51c20cdc9dcd3810cd24c2671cfc122abb91153f9f039e4d113a6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-02T12:44:52Z",
    "title_canon_sha256": "9f14c694c2b8a0812d11cb187fd2f544536c0c56f9a82e889f216b21aa377170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0367",
    "kind": "arxiv",
    "version": 2
  }
}