Pith Number

pith:IW4DXK7M

pith:2017:IW4DXK7MA2AV2D7MYRCLOBA5EZ

not attested not anchored not stored refs pending

A Note on the Polytope of Bipartite TSP

B\'ela Vizv\'ari, Gergely Kov\'acs, Hajie K. Jabbari, Zsolt Tuza

arxiv:1703.10821 v1 · 2017-03-31 · 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{IW4DXK7MA2AV2D7MYRCLOBA5EZ}

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	2026-05-18T00:47:32.611467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45b83babec06815d0fecc444b7041d265d106728a7f0ca50227b8b995c9adf12

Aliases

arxiv: 1703.10821 · arxiv_version: 1703.10821v1 · doi: 10.48550/arxiv.1703.10821 · pith_short_12: IW4DXK7MA2AV · pith_short_16: IW4DXK7MA2AV2D7M · pith_short_8: IW4DXK7M

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/IW4DXK7MA2AV2D7MYRCLOBA5EZ \
  | 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: 45b83babec06815d0fecc444b7041d265d106728a7f0ca50227b8b995c9adf12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66ed8fd44f0f23da0be5d46ecdc861ff09b8b85f8305dc31be3324b729001ba4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-03-31T09:53:22Z",
    "title_canon_sha256": "8caba382d24007fcdf83322d09461023652a8fd03c2c021ff595dbed97d9b162"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10821",
    "kind": "arxiv",
    "version": 1
  }
}