Pith Number

pith:RFBYOUXV

pith:2026:RFBYOUXVIYXTQUSPK6T2DJY6FT

not attested not anchored not stored refs pending

Exploiting Spanning Trees for Directed Acyclicity

Danil Sagunov, Sergei Khargeliia

arxiv:2607.07705 v1 · 2026-07-08 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RFBYOUXVIYXTQUSPK6T2DJY6FT}

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	2026-07-09T01:20:39.740563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89438752f5462f38524f57a7a1a71e2cc01f68d7b578ad3e241d8da302f74de8

Aliases

arxiv: 2607.07705 · arxiv_version: 2607.07705v1 · doi: 10.48550/arxiv.2607.07705 · pith_short_12: RFBYOUXVIYXT · pith_short_16: RFBYOUXVIYXTQUSP · pith_short_8: RFBYOUXV

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/RFBYOUXVIYXTQUSPK6T2DJY6FT \
  | 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: 89438752f5462f38524f57a7a1a71e2cc01f68d7b578ad3e241d8da302f74de8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5525d7b18692824f254b70e72f6249d9a364e54840deaa567d820a0334c81e3d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-07-08T17:58:37Z",
    "title_canon_sha256": "dccc4cd8ee9181fbc4a7c78eadef7114f70471796eefac8dea238a6b1d96fb81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07705",
    "kind": "arxiv",
    "version": 1
  }
}