pith. sign in
Pith Number

pith:4O7VA43T

pith:2019:4O7VA43TUBNTUKYQOO445RW3G6
not attested not anchored not stored refs pending

A polynomial version of Cereceda's conjecture

Marc Heinrich, Nicolas Bousquet

arxiv:1903.05619 v1 · 2019-03-13 · cs.DM · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4O7VA43TUBNTUKYQOO445RW3G6}

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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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-17T23:51:20.453906Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e3bf507373a05b3a2b1073b9cec6db37b7f2cfb5a8d7d0256ee4e9978f9a7d78

Aliases

arxiv: 1903.05619 · arxiv_version: 1903.05619v1 · doi: 10.48550/arxiv.1903.05619 · pith_short_12: 4O7VA43TUBNT · pith_short_16: 4O7VA43TUBNTUKYQ · pith_short_8: 4O7VA43T
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4O7VA43TUBNTUKYQOO445RW3G6 \
  | 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: e3bf507373a05b3a2b1073b9cec6db37b7f2cfb5a8d7d0256ee4e9978f9a7d78
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2774a4fb26a3628c864cbebd6e3d14d27dc1d2bbbabe5284166d9541600d84fb",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2019-03-13T17:34:55Z",
    "title_canon_sha256": "f1c5999867d6a968fdec825520c08e39062c21887a08265ed43df88e39f49cf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05619",
    "kind": "arxiv",
    "version": 1
  }
}