Pith Number

pith:BTRUFXW4

pith:2018:BTRUFXW4FR7OLQKXVJB3XEGCYC

not attested not anchored not stored refs pending

Autonomous radiodetection of air showers with the TREND50 antenna array

Didier Charrier, Hongbo Hu, Jianli Zhang, Junhua Gu, Krijn D. de Vries, Matias Tueros, Olivier Martineau-Huynh, Quanbu Gou, Sandra Le Coz, Thomas Saugrin, Valentin Niess, Xiangping Wu, Yan Huang, Yi Zhang

arxiv:1810.03070 v2 · 2018-10-07 · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTRUFXW4FR7OLQKXVJB3XEGCYC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:50:02.449380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ce342dedc2c7ee5c157aa43bb90c2c08bb00325a4a02d7f69c612f24438cb12

Aliases

arxiv: 1810.03070 · arxiv_version: 1810.03070v2 · doi: 10.48550/arxiv.1810.03070 · pith_short_12: BTRUFXW4FR7O · pith_short_16: BTRUFXW4FR7OLQKX · pith_short_8: BTRUFXW4

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/BTRUFXW4FR7OLQKXVJB3XEGCYC \
  | 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: 0ce342dedc2c7ee5c157aa43bb90c2c08bb00325a4a02d7f69c612f24438cb12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f1bc3a0f0ded29a919a1c0ae44f7f6fc5a49f6949356c171cafc3f7e79fe55c",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-10-07T02:07:58Z",
    "title_canon_sha256": "deaa34e4fdef1467dcf25813096ed5c246e030b00aae21f0f2d6843b64dd01ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03070",
    "kind": "arxiv",
    "version": 2
  }
}