Pith Number

pith:4H2EFFN5

pith:2017:4H2EFFN57BZWCOXAE4DP24MW6F

not attested not anchored not stored refs pending

Approximate Shifted Combinatorial Optimization

Asaf Levin, Martin Koutecky, Shmuel Onn, Syed M. Meesum

arxiv:1706.02075 v1 · 2017-06-07 · math.OC · cs.DM · cs.DS · 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{4H2EFFN57BZWCOXAE4DP24MW6F}

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	2026-05-18T00:42:50.172914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1f44295bdf873613ae02706fd7196f179e306b18142071787d0cade7745e523

Aliases

arxiv: 1706.02075 · arxiv_version: 1706.02075v1 · doi: 10.48550/arxiv.1706.02075 · pith_short_12: 4H2EFFN57BZW · pith_short_16: 4H2EFFN57BZWCOXA · pith_short_8: 4H2EFFN5

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/4H2EFFN57BZWCOXAE4DP24MW6F \
  | 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: e1f44295bdf873613ae02706fd7196f179e306b18142071787d0cade7745e523

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6efcec42fbf798d9f1641180591dac9cb9f3d2f7a2f99fc9acaa8d04e1059e93",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-06-07T07:36:19Z",
    "title_canon_sha256": "688a175cb5d6a2d2cad1a4bec6f7d78a7f252313a95f4706a6e5a8b0622b85a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02075",
    "kind": "arxiv",
    "version": 1
  }
}