Pith. sign in
Pith Number

pith:AKBUYIKO

pith:2020:AKBUYIKOLPILWZPUBNR7C7CPWM
not attested not anchored not stored refs pending

Axion and dark photon limits from Crab Nebula high energy gamma-rays

Fangzhou Xu, Junguang Guo, Nick Houston, Tianjun Li, Xiao-Jun Bi, Xin Zhang, Yu Gao

arxiv:2002.01796 v4 · 2020-02-05 · astro-ph.HE · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{AKBUYIKOLPILWZPUBNR7C7CPWM}

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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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T02:19:25.919075Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

02834c214e5bd0bb65f40b63f17c4fb307053cd6d58a9e64334fc4dec1ead24b

Aliases

arxiv: 2002.01796 · arxiv_version: 2002.01796v4 · doi: 10.48550/arxiv.2002.01796 · pith_short_12: AKBUYIKOLPIL · pith_short_16: AKBUYIKOLPILWZPU · pith_short_8: AKBUYIKO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/AKBUYIKOLPILWZPUBNR7C7CPWM \
  | 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: 02834c214e5bd0bb65f40b63f17c4fb307053cd6d58a9e64334fc4dec1ead24b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "153b01aac707eb2e506aaf91b0adc082ba7a6aefe3cd7d6d2594b9c130bd8c86",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-02-05T14:04:40Z",
    "title_canon_sha256": "f1b6473e2a836c2b3352a823ebd0a394c17fe9c77de3c226cfb055ac688bc6f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01796",
    "kind": "arxiv",
    "version": 4
  }
}