Pith Number

pith:N3ESMXAT

pith:2017:N3ESMXATAHL7F23GFKZVZF2K67

not attested not anchored not stored refs pending

Layers and Matroids for the Traveling Salesman's Paths

Andr\'as Seb\H{o}, Anke van Zuylen, Frans Schalekamp, Vera Traub

arxiv:1703.07170 v3 · 2017-03-21 · cs.DM · 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{N3ESMXATAHL7F23GFKZVZF2K67}

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	2026-05-18T00:31:45.201355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ec9265c1301d7f2eb662ab35c974af7d7d3e6b8b42889b3728cee3b168f6f3d

Aliases

arxiv: 1703.07170 · arxiv_version: 1703.07170v3 · doi: 10.48550/arxiv.1703.07170 · pith_short_12: N3ESMXATAHL7 · pith_short_16: N3ESMXATAHL7F23G · pith_short_8: N3ESMXAT

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/N3ESMXATAHL7F23GFKZVZF2K67 \
  | 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: 6ec9265c1301d7f2eb662ab35c974af7d7d3e6b8b42889b3728cee3b168f6f3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2c8bfa5bc91eb0c536babe0f539dfd62547f6b409ee139a54046fe2ee4343df",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-03-21T12:34:01Z",
    "title_canon_sha256": "96558615b6b99e64721ca01be7c9064c9f307e22ab10f27180b92a8bb08de751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07170",
    "kind": "arxiv",
    "version": 3
  }
}