Pith Number

pith:A3HUKB2E

pith:2010:A3HUKB2EYTC4DSYXASSD2Y6TB3

not attested not anchored not stored refs pending

Observational constraints on phantom power-law cosmology

Burin Gumjudpai (IF, Chakkrit Kaeonikhom (IF, Chongqing), Emmanuel N. Saridakis (CUPT, Naresuan U.)

arxiv:1008.2182 v3 · 2010-08-12 · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3HUKB2EYTC4DSYXASSD2Y6TB3}

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	2026-05-18T04:07:41.830342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06cf450744c4c5c1cb1704a43d63d30edf2c4890ff6ce9d6730b9657ef737fcd

Aliases

arxiv: 1008.2182 · arxiv_version: 1008.2182v3 · doi: 10.48550/arxiv.1008.2182 · pith_short_12: A3HUKB2EYTC4 · pith_short_16: A3HUKB2EYTC4DSYX · pith_short_8: A3HUKB2E

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/A3HUKB2EYTC4DSYXASSD2Y6TB3 \
  | 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: 06cf450744c4c5c1cb1704a43d63d30edf2c4890ff6ce9d6730b9657ef737fcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cf1e52e3651dbaf2c0a21489782dab01a804ac81f464cebeda5bdbfa974856d",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-12T18:33:39Z",
    "title_canon_sha256": "c76d87570315e6ed100cbab1c3d4d2a3cb87452b2c34065f565f4ba7b95d8b40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2182",
    "kind": "arxiv",
    "version": 3
  }
}