Pith Number

pith:IUHWL2AE

pith:2004:IUHWL2AEP4BWMEVIOGLKM4EMXS

not attested not anchored not stored refs pending

Extended quintessence with an exponential coupling

Carlo Baccigalupi, Gianpiero Mangano, Valeria Pettorino

arxiv:astro-ph/0412334 v2 · 2004-12-14 · 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{IUHWL2AEP4BWMEVIOGLKM4EMXS}

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	2026-05-18T02:40:25.969867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

450f65e8047f036612a87196a6708cbcbbaa8320ec8ee7bb7adfdaf44f0ad9b8

Aliases

arxiv: astro-ph/0412334 · arxiv_version: astro-ph/0412334v2 · doi: 10.48550/arxiv.astro-ph/0412334 · pith_short_12: IUHWL2AEP4BW · pith_short_16: IUHWL2AEP4BWMEVI · pith_short_8: IUHWL2AE

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/IUHWL2AEP4BWMEVIOGLKM4EMXS \
  | 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: 450f65e8047f036612a87196a6708cbcbbaa8320ec8ee7bb7adfdaf44f0ad9b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62ca2651e6c5c710c836deb240091f50c4c9ec0bc6b65e30e40c7a385d3bccf7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-14T16:11:49Z",
    "title_canon_sha256": "1b1e315aae16c503e1a47f41a52477936fb4d27339470fb04c47449558fc9a77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412334",
    "kind": "arxiv",
    "version": 2
  }
}