Pith Number

pith:KQOW7E6A

pith:2025:KQOW7E6ATSE43AB5S7J7YNS4KD

not attested not anchored not stored refs pending

Boundary Prompting: Elastic Urban Region Representation via Graph-based Spatial Tokenization

Dong Kan, Haojia Zhu, Jiahui Jin, Jinghui Zhang, Rouxi Shen, Ruize Wang, Xiangguo Sun

arxiv:2503.07991 v1 · 2025-03-11 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQOW7E6ATSE43AB5S7J7YNS4KD}

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	2026-07-05T10:28:48.254544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

541d6f93c09c89cd803d97d3fc365c50cc81a83e53adecaed74eb7be60016543

Aliases

arxiv: 2503.07991 · arxiv_version: 2503.07991v1 · doi: 10.48550/arxiv.2503.07991 · pith_short_12: KQOW7E6ATSE4 · pith_short_16: KQOW7E6ATSE43AB5 · pith_short_8: KQOW7E6A

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/KQOW7E6ATSE43AB5S7J7YNS4KD \
  | 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: 541d6f93c09c89cd803d97d3fc365c50cc81a83e53adecaed74eb7be60016543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23fa68ef0a9ad39127ff4fe65c0a892b5b4d9997d6f77705433b7d3c83ca1d03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-03-11T02:49:58Z",
    "title_canon_sha256": "0a8e6f1207dda41f4d215e770b181fa2e467ddb1545de0d0eee899c62f447aa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.07991",
    "kind": "arxiv",
    "version": 1
  }
}