Pith Number

pith:FZHSFFCQ

pith:2024:FZHSFFCQCGQHVMBJ4CL6SVOETA

not attested not anchored not stored refs pending

Bounding the photon mass with gravitationally lensed fast radio bursts

Chen-Ming Chang, Hao-Xuan Gao, Jin-Jun Geng, Jun-Jie Wei, Ke-Lai Meng, Song-Bo Zhang, Xue-Feng Wu

arxiv:2412.09806 v2 · 2024-12-13 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZHSFFCQCGQHVMBJ4CL6SVOETA}

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	2026-07-05T10:05:15.145947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e4f22945011a07ab029e097e955c4980b5d784fe216b85299a33e9888764708

Aliases

arxiv: 2412.09806 · arxiv_version: 2412.09806v2 · doi: 10.48550/arxiv.2412.09806 · pith_short_12: FZHSFFCQCGQH · pith_short_16: FZHSFFCQCGQHVMBJ · pith_short_8: FZHSFFCQ

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/FZHSFFCQCGQHVMBJ4CL6SVOETA \
  | 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: 2e4f22945011a07ab029e097e955c4980b5d784fe216b85299a33e9888764708

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a314f0695839d7d4bf1245425058c842f02271dab4650869e38c7b18e182709a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-12-13T02:45:01Z",
    "title_canon_sha256": "dfa9f0f766f4da6cd1a9734f982857f9e870f9b63e15098cef168d9a24b2a7e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.09806",
    "kind": "arxiv",
    "version": 2
  }
}