Pith Number

pith:UQ63L76C

pith:2005:UQ63L76CKZ5O25ZIRTY3RQFCXP

not attested not anchored not stored refs pending

Dark energy and decompactification in string gas cosmology

Francesc Ferrer, Syksy Rasanen

arxiv:hep-th/0509225 v2 · 2005-09-29 · hep-th · astro-ph · 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{UQ63L76CKZ5O25ZIRTY3RQFCXP}

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	2026-07-04T14:50:33.667742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a43db5ffc2567aed77288cf1b8c0a2bbf274f1f1391743ac951f0b449c3d73fe

Aliases

arxiv: hep-th/0509225 · arxiv_version: hep-th/0509225v2 · doi: 10.48550/arxiv.hep-th/0509225 · pith_short_12: UQ63L76CKZ5O · pith_short_16: UQ63L76CKZ5O25ZI · pith_short_8: UQ63L76C

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/UQ63L76CKZ5O25ZIRTY3RQFCXP \
  | 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: a43db5ffc2567aed77288cf1b8c0a2bbf274f1f1391743ac951f0b449c3d73fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48315ff2cca933bbe0d9e97a05d4cfedaae3c1053427348b63826c5b050ca539",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2005-09-29T19:41:24Z",
    "title_canon_sha256": "a67d67529007bc9861b531d10ddd254cea2b8ee5bd0447a64bd3c566e566e9e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0509225",
    "kind": "arxiv",
    "version": 2
  }
}