Pith Number

pith:ZNZ6CR2P

pith:2018:ZNZ6CR2P5I6GTLMGYWZZ6RKEYZ

not attested not anchored not stored refs pending

The economic value of neighborhoods: Predicting real estate prices from the urban environment

Bruno Lepri, Marco De Nadai

arxiv:1808.02547 v1 · 2018-08-07 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZNZ6CR2P5I6GTLMGYWZZ6RKEYZ}

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	2026-05-18T00:08:35.084816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb73e1474fea3c69ad86c5b39f4544c676f274fae1b20f537cb1153750766fb2

Aliases

arxiv: 1808.02547 · arxiv_version: 1808.02547v1 · doi: 10.48550/arxiv.1808.02547 · pith_short_12: ZNZ6CR2P5I6G · pith_short_16: ZNZ6CR2P5I6GTLMG · pith_short_8: ZNZ6CR2P

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/ZNZ6CR2P5I6GTLMGYWZZ6RKEYZ \
  | 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: cb73e1474fea3c69ad86c5b39f4544c676f274fae1b20f537cb1153750766fb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8fb2444b5bf4a92d349d33d83205fe973344f1f91c47db25cadc630075b3560",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-08-07T20:42:39Z",
    "title_canon_sha256": "e0878011fd4a49dd82f30460a831dcf5abe6ffd2689f92d8663a07eba428fd6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02547",
    "kind": "arxiv",
    "version": 1
  }
}