Pith Number

pith:AVJYJGHT

pith:2013:AVJYJGHTKNOQ55G7XDNPSCLD5A

not attested not anchored not stored refs pending

On the effect of the degeneracy between w_0 and w_a

Qing Gao, Yungui Gong

arxiv:1301.1224 v2 · 2013-01-07 · 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{AVJYJGHTKNOQ55G7XDNPSCLD5A}

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	2026-05-18T02:55:48.591470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05538498f3535d0ef4dfb8daf90963e807823bcd992933e7c72246737db5b82c

Aliases

arxiv: 1301.1224 · arxiv_version: 1301.1224v2 · doi: 10.48550/arxiv.1301.1224 · pith_short_12: AVJYJGHTKNOQ · pith_short_16: AVJYJGHTKNOQ55G7 · pith_short_8: AVJYJGHT

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/AVJYJGHTKNOQ55G7XDNPSCLD5A \
  | 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: 05538498f3535d0ef4dfb8daf90963e807823bcd992933e7c72246737db5b82c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0e9aeb8818b5a9a20a03e694211aa437f347d8c7db37382ee4b7228fc187e32",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-07T15:12:29Z",
    "title_canon_sha256": "b40a7d82cf5be9db2baeb241f2ebd8d6dba74d1ace80c4506594cb1686c90fe1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1224",
    "kind": "arxiv",
    "version": 2
  }
}