Pith Number

pith:H6ZLTU2W

pith:2025:H6ZLTU2WJL6ZAFQDQXCIHPA2OS

not attested not anchored not stored refs pending

Maximum flow and self-avoiding walk on bunkbed graphs

Pengfei Tang

arxiv:2502.06237 v1 · 2025-02-10 · math.PR · 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{H6ZLTU2WJL6ZAFQDQXCIHPA2OS}

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	2026-07-05T10:11:49.416675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fb2b9d3564afd90160385c483bc1a74b53e27d6f6648c436c5ce05416ba3e2f

Aliases

arxiv: 2502.06237 · arxiv_version: 2502.06237v1 · doi: 10.48550/arxiv.2502.06237 · pith_short_12: H6ZLTU2WJL6Z · pith_short_16: H6ZLTU2WJL6ZAFQD · pith_short_8: H6ZLTU2W

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/H6ZLTU2WJL6ZAFQDQXCIHPA2OS \
  | 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: 3fb2b9d3564afd90160385c483bc1a74b53e27d6f6648c436c5ce05416ba3e2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac5f9a81c8f09455d217d2b9fedc0a15c74b77dc666fe571979cfb9bf196e249",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2025-02-10T08:16:11Z",
    "title_canon_sha256": "cfa340e16403731cef6dd7f12c0222de905eeaae5f808968775e091791290c49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.06237",
    "kind": "arxiv",
    "version": 1
  }
}