Pith Number

pith:RP4NQLJJ

pith:2022:RP4NQLJJIFNIWFBZGZUAFUHRSD

not attested not anchored not stored refs pending

Worldwide scaling of waste generation in urban systems

Chenghao Wang, Christopher P. Kempes, Chuanbin Zhou, Mingzhen Lu, Robert B. Jackson

arxiv:2208.07917 v1 · 2022-08-16 · physics.soc-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{RP4NQLJJIFNIWFBZGZUAFUHRSD}

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	2026-07-05T04:49:12.455726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bf8d82d29415a8b1439366802d0f190cf9eae9b2500bcfcd5d831f294fbfc1b

Aliases

arxiv: 2208.07917 · arxiv_version: 2208.07917v1 · doi: 10.48550/arxiv.2208.07917 · pith_short_12: RP4NQLJJIFNI · pith_short_16: RP4NQLJJIFNIWFBZ · pith_short_8: RP4NQLJJ

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/RP4NQLJJIFNIWFBZGZUAFUHRSD \
  | 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: 8bf8d82d29415a8b1439366802d0f190cf9eae9b2500bcfcd5d831f294fbfc1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e3429b2af35c3a92471475e482e23f2d2d3e3b7a73e28f2166274a0b45d7299",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2022-08-16T19:27:25Z",
    "title_canon_sha256": "a43c582faa6726baa2ef10e1d7e69b8f8391bef4b22c678a235e8498b85a90cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.07917",
    "kind": "arxiv",
    "version": 1
  }
}