Pith Number

pith:BVP2QUI5

pith:2014:BVP2QUI54D3CCDQW4TDY2BBLF7

not attested not anchored not stored refs pending

Solving Totally Unimodular LPs with the Shadow Vertex Algorithm

Anna Gro{\ss}wendt, Heiko R\"oglin, Tobias Brunsch

arxiv:1412.5381 v1 · 2014-12-17 · 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{BVP2QUI54D3CCDQW4TDY2BBLF7}

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	2026-05-18T02:31:03.084385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d5fa8511de0f6210e16e4c78d042b2ff4cd28c1f0eda30f4b0488f634f95d8e

Aliases

arxiv: 1412.5381 · arxiv_version: 1412.5381v1 · doi: 10.48550/arxiv.1412.5381 · pith_short_12: BVP2QUI54D3C · pith_short_16: BVP2QUI54D3CCDQW · pith_short_8: BVP2QUI5

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/BVP2QUI54D3CCDQW4TDY2BBLF7 \
  | 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: 0d5fa8511de0f6210e16e4c78d042b2ff4cd28c1f0eda30f4b0488f634f95d8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c52edc3b78cfb32d6b1f264b19cba79a5e161d5757c4e267aa0ee63afcf1cd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-12-17T13:33:23Z",
    "title_canon_sha256": "6acedf26f72c68ba371bcfa38780c6c6be262dbd210558c4192ab5083abcf2a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5381",
    "kind": "arxiv",
    "version": 1
  }
}