Pith Number

pith:P53XZV7Z

pith:2025:P53XZV7Z2ECUPD6LI5CXS4QRIE

not attested not anchored not stored refs pending

The Marco Polo Problem: A Combinatorial Approach to Geometric Localization

(2) University of Rochester), Daniel S. Hirschberg (1), Irvine, Michael T. Goodrich (1), Ofek Gila (1), Shayan Taherijam (1) ((1) University of California, Zahra Hadizadeh (2)

arxiv:2504.17955 v2 · 2025-04-24 · cs.CG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P53XZV7Z2ECUPD6LI5CXS4QRIE}

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	2026-07-05T11:56:19.186090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f777cd7f9d105478fcb4745797211410826569c54afc87dab66d3593b73a8b1

Aliases

arxiv: 2504.17955 · arxiv_version: 2504.17955v2 · doi: 10.48550/arxiv.2504.17955 · pith_short_12: P53XZV7Z2ECU · pith_short_16: P53XZV7Z2ECUPD6L · pith_short_8: P53XZV7Z

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/P53XZV7Z2ECUPD6LI5CXS4QRIE \
  | 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: 7f777cd7f9d105478fcb4745797211410826569c54afc87dab66d3593b73a8b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6a9e0a2442c283fb922ac1d05858d0c4a62cd514b78a0110991fdfc9ddb2f59",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2025-04-24T21:58:38Z",
    "title_canon_sha256": "4f5da03e8c46acb3da96af22e1fdcb8d6790636795e1e990f00e032492c12b8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17955",
    "kind": "arxiv",
    "version": 2
  }
}