Pith Number

pith:ZCTMBOIO

pith:2026:ZCTMBOIOQY4W5ZCFOHI6B3MVT5

not attested not anchored not stored refs pending

PUBO Formulation for MST and Application to Optimum-Path Forest

Danilo S. Jodas, Douglas Rodrigues, Felipe F. Fanchini, Guilherme E. L. Pexe, Jo\~ao P. Papa, Kelton A. P. Costa, Leandro A. Passos, Lucas A. M. Rattighieri

arxiv:2605.20637 v1 · 2026-05-20 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZCTMBOIOQY4W5ZCFOHI6B3MVT5}

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	2026-05-21T01:04:46.162245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8a6c0b90e86396ee44571d1e0ed959f56f2dda3edcefd5567acbaeb9da03db8

Aliases

arxiv: 2605.20637 · arxiv_version: 2605.20637v1 · doi: 10.48550/arxiv.2605.20637 · pith_short_12: ZCTMBOIOQY4W · pith_short_16: ZCTMBOIOQY4W5ZCF · pith_short_8: ZCTMBOIO

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/ZCTMBOIOQY4W5ZCFOHI6B3MVT5 \
  | 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: c8a6c0b90e86396ee44571d1e0ed959f56f2dda3edcefd5567acbaeb9da03db8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18e8d86a46bbd2d17b25ce2cfe9227078ca23469b8287559bbb26025d4b995e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-20T02:46:56Z",
    "title_canon_sha256": "96bdf9289f35cc55e94488fdbfcb826cae09823f4e1c3c656057ca4a0b4959c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20637",
    "kind": "arxiv",
    "version": 1
  }
}