Pith Number

pith:2JN3RSMC

pith:2017:2JN3RSMC4G467SQEGZNGNVVAWN

not attested not anchored not stored refs pending

The Salesman's Improved Tours for Fundamental Classes

Andr\'as Seb\"o, Sylvia Boyd

arxiv:1705.02385 v2 · 2017-05-05 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2JN3RSMC4G467SQEGZNGNVVAWN}

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	2026-05-18T00:02:03.376531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d25bb8c982e1b9efca04365a66d6a0b34e20ff0b1a514bdfbdaca27717ec74d7

Aliases

arxiv: 1705.02385 · arxiv_version: 1705.02385v2 · doi: 10.48550/arxiv.1705.02385 · pith_short_12: 2JN3RSMC4G46 · pith_short_16: 2JN3RSMC4G467SQE · pith_short_8: 2JN3RSMC

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/2JN3RSMC4G467SQEGZNGNVVAWN \
  | 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: d25bb8c982e1b9efca04365a66d6a0b34e20ff0b1a514bdfbdaca27717ec74d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5af8c173d785807000f4d2248619c4891b42f6f3fd7ce1de7c0785f66c88a79f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-05-05T20:05:24Z",
    "title_canon_sha256": "77aa727fc488a14e2c895ab35da24c034ba48de3d06ac34d8e9d320484bcaa26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02385",
    "kind": "arxiv",
    "version": 2
  }
}