Pith Number

pith:AF2D4H4K

pith:2008:AF2D4H4KEVEEVEAPKE4P4WSN5G

not attested not anchored not stored refs pending

Theoretical Limits on the Equation-of-State Parameter of Phantom Cosmology

Emmanuel N. Saridakis

arxiv:0811.1333 v2 · 2008-11-09 · hep-th · astro-ph · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AF2D4H4KEVEEVEAPKE4P4WSN5G}

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	2026-05-18T02:35:13.976241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01743e1f8a25484a900f5138fe5a4de994bf49916fd5057e8798eb3e1680efad

Aliases

arxiv: 0811.1333 · arxiv_version: 0811.1333v2 · doi: 10.48550/arxiv.0811.1333 · pith_short_12: AF2D4H4KEVEE · pith_short_16: AF2D4H4KEVEEVEAP · pith_short_8: AF2D4H4K

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/AF2D4H4KEVEEVEAPKE4P4WSN5G \
  | 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: 01743e1f8a25484a900f5138fe5a4de994bf49916fd5057e8798eb3e1680efad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b020d614ca128a8ea977f8e4474fb672f9273b7dbbe616f1ca544df54b2ec4cd",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-11-09T12:21:43Z",
    "title_canon_sha256": "d6b16d929465529aba30017ab1de2aea03f40adf48f620677815bc0a5b3051e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1333",
    "kind": "arxiv",
    "version": 2
  }
}