Pith Number

pith:EX6SYT7X

pith:2017:EX6SYT7XQPCYMWRHTMDV73WK4J

not attested not anchored not stored refs pending

UV-Vis-IR Spectral Complex Refractive Indices and Optical Properties of Brown Carbon Aerosol from Biomass Burning

Apoorva Pandey, Benjamin J. Sumlin, Nishit Shetty, Rajan K. Chakrabarty, Robert S. Pattison, Stephen Baker, Wei Min Hao, Yuli W. Heinson

arxiv:1712.05028 v2 · 2017-12-13 · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EX6SYT7XQPCYMWRHTMDV73WK4J}

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	2026-05-18T00:21:09.046533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25fd2c4ff783c5865a279b075feecae249cb65f853440dc62dd2beb42bde5eeb

Aliases

arxiv: 1712.05028 · arxiv_version: 1712.05028v2 · doi: 10.48550/arxiv.1712.05028 · pith_short_12: EX6SYT7XQPCY · pith_short_16: EX6SYT7XQPCYMWRH · pith_short_8: EX6SYT7X

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/EX6SYT7XQPCYMWRHTMDV73WK4J \
  | 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: 25fd2c4ff783c5865a279b075feecae249cb65f853440dc62dd2beb42bde5eeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "209d8f2c7bc4d0e10e8a9fc9c5cf48d43b38e53bb4ceaf32e649bcfc821b8e8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2017-12-13T22:09:34Z",
    "title_canon_sha256": "47430c8304e762150db6d20b361e35f7456f1e7a2bc26a5cb293b82c1f2eca8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05028",
    "kind": "arxiv",
    "version": 2
  }
}