Pith Number

pith:UW5NLA7Q

pith:2019:UW5NLA7Q2FDMMJJZZYUTSGYJ55

not attested not anchored not stored refs pending

Similarity indexing & GIS analysis of air pollution

Madhu Kashyap Jagdeesh, Purusharth Saxena

arxiv:1906.08756 v1 · 2019-06-20 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UW5NLA7Q2FDMMJJZZYUTSGYJ55}

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.

Cited by

1 paper in Pith

Receipt and verification

First computed	2026-05-17T23:42:49.400439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5bad583f0d146c62539ce29391b09ef65d33d5b3179964a99d0f4b3c432d520

Aliases

arxiv: 1906.08756 · arxiv_version: 1906.08756v1 · doi: 10.48550/arxiv.1906.08756 · pith_short_12: UW5NLA7Q2FDM · pith_short_16: UW5NLA7Q2FDMMJJZ · pith_short_8: UW5NLA7Q

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/UW5NLA7Q2FDMMJJZZYUTSGYJ55 \
  | 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: a5bad583f0d146c62539ce29391b09ef65d33d5b3179964a99d0f4b3c432d520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95d4c5702ea47794341a8a74881a82671b6a1a27ee25da44e56f4d8311eb8dd9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-06-20T17:17:19Z",
    "title_canon_sha256": "cb4abc35753c43b66951ae37f746b48d3212134876227cc0931026c5c18441c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08756",
    "kind": "arxiv",
    "version": 1
  }
}