Pith Number

pith:A6NR7VDA

pith:2013:A6NR7VDAINW4XWWH4OA3UIPQLX

not attested not anchored not stored refs pending

Map Matching with Simplicity Constraints

Wouter Meulemans

arxiv:1306.2827 v1 · 2013-06-12 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A6NR7VDAINW4XWWH4OA3UIPQLX}

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	2026-05-18T03:21:09.301674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

079b1fd460436dcbdac7e381ba21f05dfcd183682b4acc2e0aece3549dc42d4c

Aliases

arxiv: 1306.2827 · arxiv_version: 1306.2827v1 · doi: 10.48550/arxiv.1306.2827 · pith_short_12: A6NR7VDAINW4 · pith_short_16: A6NR7VDAINW4XWWH · pith_short_8: A6NR7VDA

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/A6NR7VDAINW4XWWH4OA3UIPQLX \
  | 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: 079b1fd460436dcbdac7e381ba21f05dfcd183682b4acc2e0aece3549dc42d4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72b4ddb8523b0bd7bef76289447936be494943fde4f190aca92acfa674d9b14c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-06-12T13:59:01Z",
    "title_canon_sha256": "ba391867a6fe8516d254c52f3e364584ccf312ebd7ec3708c812e67e39082b0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2827",
    "kind": "arxiv",
    "version": 1
  }
}