Pith Number

pith:6IQO5IQ3

pith:2008:6IQO5IQ3AS7XQ6RL3LUWLNLJFI

not attested not anchored not stored refs pending

Constraints on the non-linear coupling parameter fnl with the Archeops data

A. Curto, D. Santos, E. Martinez-Gonzalez, F. K. Hansen, J. F. Macias-Perez, M. Liguori, R. B. Barreiro, S. Matarrese

arxiv:0804.0136 v2 · 2008-04-01 · 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{6IQO5IQ3AS7XQ6RL3LUWLNLJFI}

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	2026-05-18T02:35:22.986205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f220eea21b04bf787a2bdae965b5692a34b370de6c655478ef4b4b09fc6814f6

Aliases

arxiv: 0804.0136 · arxiv_version: 0804.0136v2 · doi: 10.48550/arxiv.0804.0136 · pith_short_12: 6IQO5IQ3AS7X · pith_short_16: 6IQO5IQ3AS7XQ6RL · pith_short_8: 6IQO5IQ3

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/6IQO5IQ3AS7XQ6RL3LUWLNLJFI \
  | 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: f220eea21b04bf787a2bdae965b5692a34b370de6c655478ef4b4b09fc6814f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e28a3e7e9c79046054b93a709a5540589f20a380f1fa89e422c503b061778309",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-01T10:59:50Z",
    "title_canon_sha256": "12fc541ae05f3aa7306fbe73469649ccae2fbc558d2ee31c3dd77cb75b93bb4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0136",
    "kind": "arxiv",
    "version": 2
  }
}