Pith Number

pith:R7UKK5DD

pith:2004:R7UKK5DDLY5CUPXR2WWIMY7LOX

not attested not anchored not stored refs pending

Ghost Cosmology: Exact Solutions, Transitions Between Standard Cosmologies and Ghost Dark Energy/Matter Evolution

Axel Krause, Siew-Phang Ng

arxiv:hep-th/0409241 v2 · 2004-09-24 · hep-th · astro-ph · gr-qc · hep-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{R7UKK5DDLY5CUPXR2WWIMY7LOX}

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	2026-05-18T04:22:20.273250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fe8a574635e3a2a3ef1d5ac8663eb75d38722675bb63f2f6f7baac52154dfe6

Aliases

arxiv: hep-th/0409241 · arxiv_version: hep-th/0409241v2 · doi: 10.48550/arxiv.hep-th/0409241 · pith_short_12: R7UKK5DDLY5C · pith_short_16: R7UKK5DDLY5CUPXR · pith_short_8: R7UKK5DD

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/R7UKK5DDLY5CUPXR2WWIMY7LOX \
  | 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: 8fe8a574635e3a2a3ef1d5ac8663eb75d38722675bb63f2f6f7baac52154dfe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3029511d8e3b585453f4d2bd6176ea51dd0ff28d346529620f596c6ce23148d8",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-09-24T19:57:39Z",
    "title_canon_sha256": "c5e9501d42a631310a8bcc0f34aa00e8e033cefc6276d0103950f05e1fabc107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0409241",
    "kind": "arxiv",
    "version": 2
  }
}