Pith Number

pith:3RMBUH76

pith:2010:3RMBUH76TXCPEEAVR3GQM673MR

not attested not anchored not stored refs pending

Efficient algorithms for three-dimensional axial and planar random assignment problems

Alan Frieze, Gregory Sorkin

arxiv:1008.0390 v3 · 2010-08-02 · math.CO · 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{3RMBUH76TXCPEEAVR3GQM673MR}

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	2026-05-18T03:11:09.964354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc581a1ffe9dc4f210158ecd067bfb646a91535682c48c8317bfc4911b753f2d

Aliases

arxiv: 1008.0390 · arxiv_version: 1008.0390v3 · doi: 10.48550/arxiv.1008.0390 · pith_short_12: 3RMBUH76TXCP · pith_short_16: 3RMBUH76TXCPEEAV · pith_short_8: 3RMBUH76

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/3RMBUH76TXCPEEAVR3GQM673MR \
  | 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: dc581a1ffe9dc4f210158ecd067bfb646a91535682c48c8317bfc4911b753f2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dea85cefe457899457cdd3895b1842df0727f04223bb4b4e682d35f8ae4ec18",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-08-02T19:58:07Z",
    "title_canon_sha256": "477a5092dcd7b846b546c7e210c5249d95f6e3d0263c75ec47a8a1b9e7a21389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0390",
    "kind": "arxiv",
    "version": 3
  }
}