Pith Number

pith:LSSE3DZ4

pith:2018:LSSE3DZ4AXPJ4ZHBII7GQB2M7K

not attested not anchored not stored refs pending

Constraints on axion-like particle properties with very high energy gamma-ray observations of Galactic sources

Cun Zhang, Lei Feng, Qiang Yuan, Yi-Zhong Fan, Yun-Feng Liang, Zi-Qing Xia

arxiv:1804.07186 v1 · 2018-04-19 · hep-ph · 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{LSSE3DZ4AXPJ4ZHBII7GQB2M7K}

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	2026-05-17T23:42:30.722353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ca44d8f3c05de9e64e1423e68074cfaa6634ef570207245078a2b3824d2bca7

Aliases

arxiv: 1804.07186 · arxiv_version: 1804.07186v1 · doi: 10.48550/arxiv.1804.07186 · pith_short_12: LSSE3DZ4AXPJ · pith_short_16: LSSE3DZ4AXPJ4ZHB · pith_short_8: LSSE3DZ4

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/LSSE3DZ4AXPJ4ZHBII7GQB2M7K \
  | 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: 5ca44d8f3c05de9e64e1423e68074cfaa6634ef570207245078a2b3824d2bca7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4b5b3097bbf18e043e3e4dfd0fb83784bf3995d999f9bffa4ab06356ed34e30",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-04-19T14:20:34Z",
    "title_canon_sha256": "9f2d184c87cf798dcf6f48792207805742f016b475532e0cf869b699757e9be5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07186",
    "kind": "arxiv",
    "version": 1
  }
}