Pith Number

pith:UBFVSREA

pith:2018:UBFVSREAHUC3R6FPARY2RBTZGD

not attested not anchored not stored refs pending

Impact of Land Use on the DOM Composition in Different Seasons in a Subtropical River Flowing through the Region Undergoing Rapid Urbanization

Hui Xu, Kejian He, Lan Fu, Qi Liu, Yuan Jiang, Yulu Tian, Zhaojiang Hou

arxiv:1802.02425 v1 · 2018-02-07 · 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{UBFVSREAHUC3R6FPARY2RBTZGD}

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	2026-05-18T00:24:08.341868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a04b5944803d05b8f8af0471a8867930f1878089bdd265ec67e9bbfabb892c03

Aliases

arxiv: 1802.02425 · arxiv_version: 1802.02425v1 · doi: 10.48550/arxiv.1802.02425 · pith_short_12: UBFVSREAHUC3 · pith_short_16: UBFVSREAHUC3R6FP · pith_short_8: UBFVSREA

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/UBFVSREAHUC3R6FPARY2RBTZGD \
  | 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: a04b5944803d05b8f8af0471a8867930f1878089bdd265ec67e9bbfabb892c03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5b932c3415294143b35268fa717ea22f8ff6986cf3ea7ea53892baaddf5779f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-02-07T14:10:16Z",
    "title_canon_sha256": "08984a42610a2b95f0a3b3c9b2b97ec4b4e147e3a617e04524dad9cf42909740"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02425",
    "kind": "arxiv",
    "version": 1
  }
}