Pith Number

pith:IMCU245B

pith:2018:IMCU245B2274JWFZXGBG7OKJXW

not attested not anchored not stored refs pending

The Central Role of Energy in the Urban Transition: Global Challenges for Sustainability

Eric D. Roy, James H. Brown, John W. Day Jr., Joseph R. Burger, Tatiana P. Flanagan

arxiv:1812.09756 v1 · 2018-12-23 · physics.soc-ph · 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{IMCU245B2274JWFZXGBG7OKJXW}

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	2026-05-17T23:54:02.229832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43054d73a1d6bfc4d8b9b9826fb949bd9a6e61137cf3df7a8e269fdb0fc2544a

Aliases

arxiv: 1812.09756 · arxiv_version: 1812.09756v1 · doi: 10.48550/arxiv.1812.09756 · pith_short_12: IMCU245B2274 · pith_short_16: IMCU245B2274JWFZ · pith_short_8: IMCU245B

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/IMCU245B2274JWFZXGBG7OKJXW \
  | 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: 43054d73a1d6bfc4d8b9b9826fb949bd9a6e61137cf3df7a8e269fdb0fc2544a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86934dc8b4a9b12f739a112311c382d0b269e5c1b5a17943a0dd94ba171bbfd1",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-12-23T19:12:02Z",
    "title_canon_sha256": "179439555b4c2f795ab0a696c2b98af340b3150f7a5a5b7021fc353c4a48c56a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09756",
    "kind": "arxiv",
    "version": 1
  }
}