Pith Number

pith:TPHMWZMH

pith:2015:TPHMWZMHYKY2QHGZR2BLMD2KDB

not attested not anchored not stored refs pending

The Minimum Spanning Tree of Maximum Entropy

Samuel de Sousa, Walter G. Kropatsch

arxiv:1505.06319 v1 · 2015-05-23 · 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{TPHMWZMHYKY2QHGZR2BLMD2KDB}

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	2026-05-18T02:03:47.563076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bcecb6587c2b1a81cd98e82b60f4a1845ec2b5fbcef6d6aeffab77dee820ffc

Aliases

arxiv: 1505.06319 · arxiv_version: 1505.06319v1 · doi: 10.48550/arxiv.1505.06319 · pith_short_12: TPHMWZMHYKY2 · pith_short_16: TPHMWZMHYKY2QHGZ · pith_short_8: TPHMWZMH

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/TPHMWZMHYKY2QHGZR2BLMD2KDB \
  | 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: 9bcecb6587c2b1a81cd98e82b60f4a1845ec2b5fbcef6d6aeffab77dee820ffc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa4fb4610fb210f7307bbf148ac3fcebc69574089e288d9ba3ab5e4138c2ed8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-05-23T12:49:30Z",
    "title_canon_sha256": "bd957868ab2b3f9909705dd5d84d1280ed21572e81c36e8a1d0825c33ce0ec0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06319",
    "kind": "arxiv",
    "version": 1
  }
}