Pith Number

pith:U62DE6BD

pith:2015:U62DE6BDF27PG3SJXFMU6C4Z5K

not attested not anchored not stored refs pending

An efficient probe of the cosmological CPT violation

Gong-Bo Zhao, Jun-Qing Xia, Mingzhe Li, Xinmin Zhang, Yuting Wang

arxiv:1504.04507 v2 · 2015-04-17 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U62DE6BDF27PG3SJXFMU6C4Z5K}

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	2026-05-18T01:35:48.521399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7b43278232ebef36e49b9594f0b99eab3754d906c68c83f204a1f7c5935997c

Aliases

arxiv: 1504.04507 · arxiv_version: 1504.04507v2 · doi: 10.48550/arxiv.1504.04507 · pith_short_12: U62DE6BDF27P · pith_short_16: U62DE6BDF27PG3SJ · pith_short_8: U62DE6BD

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/U62DE6BDF27PG3SJXFMU6C4Z5K \
  | 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: a7b43278232ebef36e49b9594f0b99eab3754d906c68c83f204a1f7c5935997c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89cee9d9b0f880dd79fb8af6f55b0c502e6a6a9fda9791c5def5ebf16905b981",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-04-17T14:07:56Z",
    "title_canon_sha256": "b2adcfa42b1f10d8a4ac0308711241eda36cd56e58202f3425f5c55a069998f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04507",
    "kind": "arxiv",
    "version": 2
  }
}