Pith Number

pith:5JP44QQN

pith:2003:5JP44QQNSRNB3LUVU2YHR7DH3L

not attested not anchored not stored refs pending

Crossover quintessence and cosmological history of fundamental "constants"

C.Wetterich

arxiv:hep-ph/0301261 v2 · 2003-01-30 · hep-ph · 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{5JP44QQNSRNB3LUVU2YHR7DH3L}

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	2026-05-18T02:36:36.492144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea5fce420d945a1dae95a6b078fc67daec18b3d73b29f327bfb41f1239940803

Aliases

arxiv: hep-ph/0301261 · arxiv_version: hep-ph/0301261v2 · doi: 10.48550/arxiv.hep-ph/0301261 · pith_short_12: 5JP44QQNSRNB · pith_short_16: 5JP44QQNSRNB3LUV · pith_short_8: 5JP44QQN

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/5JP44QQNSRNB3LUVU2YHR7DH3L \
  | 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: ea5fce420d945a1dae95a6b078fc67daec18b3d73b29f327bfb41f1239940803

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "005feec46e87fe56b139fd25e6665dc0e62ee3d61a67ad7c5595ecf9fd5759b1",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2003-01-30T10:03:23Z",
    "title_canon_sha256": "1c9bb07b563b2be71df3d928607173cd0baeed39bb81804b75c7ed76537314ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0301261",
    "kind": "arxiv",
    "version": 2
  }
}