Pith Number

pith:4U6ETKRH

pith:2013:4U6ETKRHHOWFJEDIIAHTXDQVYF

not attested not anchored not stored refs pending

A Meta-Theory of Boundary Detection Benchmarks

Alan Yuille, Christof Koch, Xiaodi Hou

arxiv:1302.5985 v1 · 2013-02-25 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4U6ETKRHHOWFJEDIIAHTXDQVYF}

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	2026-05-18T03:32:32.958437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e53c49aa273bac549068400f3b8e15c1770045fd1627ab1a38ed68ddbb50f576

Aliases

arxiv: 1302.5985 · arxiv_version: 1302.5985v1 · doi: 10.48550/arxiv.1302.5985 · pith_short_12: 4U6ETKRHHOWF · pith_short_16: 4U6ETKRHHOWFJEDI · pith_short_8: 4U6ETKRH

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/4U6ETKRHHOWFJEDIIAHTXDQVYF \
  | 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: e53c49aa273bac549068400f3b8e15c1770045fd1627ab1a38ed68ddbb50f576

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbaa761cf58d1d38ee8ca19aac639f7e6cc2cc1e4c9dc6fa2554f9964deaa36e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-02-25T03:12:12Z",
    "title_canon_sha256": "fcfec6585e01778872695d7b08be60ace6ec3f0a5c7aba8d85c1cb4e3fff3fc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5985",
    "kind": "arxiv",
    "version": 1
  }
}