Pith Number

pith:WOFUTFGE

pith:2014:WOFUTFGESQ5IV7VSUTIBEGVWE3

not attested not anchored not stored refs pending

A model combining spectrum standardization and dominant factor based partial least square method for carbon analysis in coal by laser-induced breakdown spectroscopy

Weidou Ni, Xiongwei Li, Yangting Fu, Zheng Li, Zhe Wang

arxiv:1402.2062 v1 · 2014-02-10 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WOFUTFGESQ5IV7VSUTIBEGVWE3}

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	2026-05-18T01:44:45.980938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b38b4994c4943a8afeb2a4d0121ab626f3d6b9d942c2009dd7bfc2f6f9697b62

Aliases

arxiv: 1402.2062 · arxiv_version: 1402.2062v1 · doi: 10.48550/arxiv.1402.2062 · pith_short_12: WOFUTFGESQ5I · pith_short_16: WOFUTFGESQ5IV7VS · pith_short_8: WOFUTFGE

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/WOFUTFGESQ5IV7VSUTIBEGVWE3 \
  | 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: b38b4994c4943a8afeb2a4d0121ab626f3d6b9d942c2009dd7bfc2f6f9697b62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6a8ca29549aad95775b5cd02b33b3de8b9a489294a4ad394d1af57bc2e839c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-02-10T08:09:49Z",
    "title_canon_sha256": "af8efa4001da9a550903066c2e88a31ff189e3bb9c4e3aa4870027d66fa64ee3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2062",
    "kind": "arxiv",
    "version": 1
  }
}