Pith Number

pith:6TIT7PX6

pith:2019:6TIT7PX67WN5NI24TL63MNF7JL

not attested not anchored not stored refs pending

Shortest Reconfiguration of Perfect Matchings via Alternating Cycles

Naonori Kakimura, Naoyuki Kamiyama, Takehiro Ito, Yoshio Okamoto, Yusuke Kobayashi

arxiv:1907.01700 v1 · 2019-07-03 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6TIT7PX67WN5NI24TL63MNF7JL}

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	2026-05-17T23:41:35.441103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4d13fbefefd9bd6a35c9afdb634bf4acb4aadd2c1604b633a5506931134c697

Aliases

arxiv: 1907.01700 · arxiv_version: 1907.01700v1 · doi: 10.48550/arxiv.1907.01700 · pith_short_12: 6TIT7PX67WN5 · pith_short_16: 6TIT7PX67WN5NI24 · pith_short_8: 6TIT7PX6

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/6TIT7PX67WN5NI24TL63MNF7JL \
  | 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: f4d13fbefefd9bd6a35c9afdb634bf4acb4aadd2c1604b633a5506931134c697

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e65ecca30c230c67c3e75f0976fecab78ad5a623e5fed25db5332f6c4c0abf12",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-07-03T01:51:33Z",
    "title_canon_sha256": "8109608e2f04015550999b24942d56f433bb85c4c3e1812d7d271c4a4c6f7c1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01700",
    "kind": "arxiv",
    "version": 1
  }
}