Pith Number

pith:I37JR7HA

pith:2026:I37JR7HABDT7WSMBK7SBW2BVGK

not attested not anchored not stored refs pending

A QUBO Formulation for Nowhere-Zero $k$-Flows

Adam Carter, Ali Lotfi, Kwabena Abrefa Nketia, Mohammad Meysami, Steven J. Shirtliffe, Steven Rayan, Thuan Ha

arxiv:2606.28687 v1 · 2026-06-27 · quant-ph · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I37JR7HABDT7WSMBK7SBW2BVGK}

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	2026-06-30T01:16:47.674931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46fe98fce008e7fb498157e41b683532bdaa2bdcc81bffaf1a377309f893d16a

Aliases

arxiv: 2606.28687 · arxiv_version: 2606.28687v1 · doi: 10.48550/arxiv.2606.28687 · pith_short_12: I37JR7HABDT7 · pith_short_16: I37JR7HABDT7WSMB · pith_short_8: I37JR7HA

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/I37JR7HABDT7WSMBK7SBW2BVGK \
  | 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: 46fe98fce008e7fb498157e41b683532bdaa2bdcc81bffaf1a377309f893d16a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2877616335bc22ff84ff71f3c5ec5209cfd668b61062f709df346e7f23ec6c33",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-27T01:59:01Z",
    "title_canon_sha256": "150e3cee5f543c5ecf874afbab1f8c94e25613a8d785729a388492e29b51189b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28687",
    "kind": "arxiv",
    "version": 1
  }
}