Pith Number

pith:DV6DMB2R

pith:2013:DV6DMB2RVION4INCRCJI7RF5TW

not attested not anchored not stored refs pending

Bipartite Rigidity

Eran Nevo, Gil Kalai, Isabella Novik

arxiv:1312.0209 v3 · 2013-12-01 · math.CO · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DV6DMB2RVION4INCRCJI7RF5TW}

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	2026-05-18T02:47:44.652775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d7c360751aa1cde21a288928fc4bd9d927d6176e90a7b8fb7cd9a551f1f5845

Aliases

arxiv: 1312.0209 · arxiv_version: 1312.0209v3 · doi: 10.48550/arxiv.1312.0209 · pith_short_12: DV6DMB2RVION · pith_short_16: DV6DMB2RVION4INC · pith_short_8: DV6DMB2R

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/DV6DMB2RVION4INCRCJI7RF5TW \
  | 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: 1d7c360751aa1cde21a288928fc4bd9d927d6176e90a7b8fb7cd9a551f1f5845

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dbd9cb8039a3d1bf0554e34c86ed8d20764cfd764c00483fd682fb107f7e1cd",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-12-01T12:48:22Z",
    "title_canon_sha256": "8575617d21ae15a0d746a43dcf03ec5b01f17eb1810849fa4904d40dde4aa5f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0209",
    "kind": "arxiv",
    "version": 3
  }
}