Pith Number

pith:NBVVPYWS

pith:2015:NBVVPYWS6UKDMACNKIIYSJ2EVU

not attested not anchored not stored refs pending

Several parametrization dark energy models comparison with Statefinder hierarchy

Jing-Zhao Qi, Wen-Biao Liu

arxiv:1510.02633 v1 · 2015-10-09 · 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{NBVVPYWS6UKDMACNKIIYSJ2EVU}

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	2026-05-18T01:30:41.865175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

686b57e2d2f51436004d5211892744ad02feaa3b075276824a54a69aef438b3b

Aliases

arxiv: 1510.02633 · arxiv_version: 1510.02633v1 · doi: 10.48550/arxiv.1510.02633 · pith_short_12: NBVVPYWS6UKD · pith_short_16: NBVVPYWS6UKDMACN · pith_short_8: NBVVPYWS

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/NBVVPYWS6UKDMACNKIIYSJ2EVU \
  | 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: 686b57e2d2f51436004d5211892744ad02feaa3b075276824a54a69aef438b3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63672784115535f7ebbf1b5dadc9d05196ff90f47893cf79477be0cfb242d081",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-10-09T11:16:13Z",
    "title_canon_sha256": "d665ef66af9490b62f1310070ffecca83451383bf7da969f0af9435cb8dd83dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02633",
    "kind": "arxiv",
    "version": 1
  }
}