Pith Number

pith:CO7ZX6WR

pith:2014:CO7ZX6WRQAGQPCCXGJG4SORW7E

not attested not anchored not stored refs pending

An optimal system and invariant solutions of dark energy Models in cylindrically symmetric space-time

Ahmad T Ali, Anil Kumar Yadav

arxiv:1405.3185 v1 · 2014-05-12 · 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{CO7ZX6WRQAGQPCCXGJG4SORW7E}

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	2026-05-18T02:43:10.873784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13bf9bfad1800d078857324dc93a36f905b10db19262306f92c43c42d1f1f7bc

Aliases

arxiv: 1405.3185 · arxiv_version: 1405.3185v1 · doi: 10.48550/arxiv.1405.3185 · pith_short_12: CO7ZX6WRQAGQ · pith_short_16: CO7ZX6WRQAGQPCCX · pith_short_8: CO7ZX6WR

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/CO7ZX6WRQAGQPCCXGJG4SORW7E \
  | 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: 13bf9bfad1800d078857324dc93a36f905b10db19262306f92c43c42d1f1f7bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b6e006404389d7fda16d574864bf8a116de2e8aabb74b3d9806f5ba1ba65e83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-05-12T11:10:40Z",
    "title_canon_sha256": "81a4b0a97c6de5f8fb3a2f53c26cb0eb2df2be9e17a213b2e36fd41b59e9b014"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3185",
    "kind": "arxiv",
    "version": 1
  }
}