Pith Number

pith:BFROONRB

pith:2019:BFROONRBMZ232WZ7KDXJG3YALK

not attested not anchored not stored refs pending

Evaluating bird collision risk of a high-speed railway crossing the habitat of the crested ibis (Nipponia nippon) in Qinling Mountains, China

Chao Wang, Dong Wu, Han Hu, Hongfeng Zhang, Junqing Tang, Lina Su, Wei Zhang, Xiaomin Wu, Yan Liu, Yingchun Lin, Yi Wang

arxiv:1907.04765 v1 · 2019-07-10 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFROONRBMZ232WZ7KDXJG3YALK}

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	2026-05-17T23:40:56.796294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0962e736216675bd5b3f50ee936f005a8ff3c74c65aae9543a64af8a966d8ca4

Aliases

arxiv: 1907.04765 · arxiv_version: 1907.04765v1 · doi: 10.48550/arxiv.1907.04765 · pith_short_12: BFROONRBMZ23 · pith_short_16: BFROONRBMZ232WZ7 · pith_short_8: BFROONRB

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/BFROONRBMZ232WZ7KDXJG3YALK \
  | 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: 0962e736216675bd5b3f50ee936f005a8ff3c74c65aae9543a64af8a966d8ca4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0e3b13ab4083faad2de783ec5dc439d606b01465514f314e72226a54d2b3d8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2019-07-10T14:52:48Z",
    "title_canon_sha256": "bd758ed3f3743aeba8ded7605f08a4620bb2ffe1aae9652d3c613cf7deedceaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04765",
    "kind": "arxiv",
    "version": 1
  }
}