Pith Number

pith:3CKN6X43

pith:2019:3CKN6X43FUCKZFTJ3M3R7DFW4U

not attested not anchored not stored refs pending

Flip distances between graph orientations

Birgit Vogtenhuber, Jean Cardinal, Kolja Knauer, Oswin Aichholzer, Raphael Steiner, Tony Huynh, Torsten M\"utze

arxiv:1902.06103 v1 · 2019-02-16 · math.CO · cs.DM · 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{3CKN6X43FUCKZFTJ3M3R7DFW4U}

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.

Cited by

1 paper in Pith

Shortest Reconfiguration of Perfect Matchings via Alternating Cycles

Receipt and verification

First computed	2026-05-17T23:52:58.141205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d894df5f9b2d04ac9669db371f8cb6e51c15665f418898314ffce3e87e344550

Aliases

arxiv: 1902.06103 · arxiv_version: 1902.06103v1 · doi: 10.48550/arxiv.1902.06103 · pith_short_12: 3CKN6X43FUCK · pith_short_16: 3CKN6X43FUCKZFTJ · pith_short_8: 3CKN6X43

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/3CKN6X43FUCKZFTJ3M3R7DFW4U \
  | 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: d894df5f9b2d04ac9669db371f8cb6e51c15665f418898314ffce3e87e344550

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9214094c36ddb1a0edeab91c83440240af94e8bdb18786860b2a3d163cf48720",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-02-16T13:47:27Z",
    "title_canon_sha256": "3e0bec0ef5804d9ef8b43b6b5696b935a337798dc43b0e6eb3d7cf924a59c3aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06103",
    "kind": "arxiv",
    "version": 1
  }
}