Pith Number

pith:EXCHDJH6

pith:2019:EXCHDJH6223F33GCZYEWQLRVRI

not attested not anchored not stored refs pending

Switches in Eulerian graphs

Ahad N. Zehmakan, Alexander Pilz, Daniel Wolleb-Graf, Jerri Nummenpalo

arxiv:1905.06895 v1 · 2019-05-08 · cs.DS · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EXCHDJH6223F33GCZYEWQLRVRI}

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	2026-05-17T23:45:58.622940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25c471a4fed6b65decc2ce09682e358a0cfe012966f4a46d79c0a33cc2c0b81e

Aliases

arxiv: 1905.06895 · arxiv_version: 1905.06895v1 · doi: 10.48550/arxiv.1905.06895 · pith_short_12: EXCHDJH6223F · pith_short_16: EXCHDJH6223F33GC · pith_short_8: EXCHDJH6

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/EXCHDJH6223F33GCZYEWQLRVRI \
  | 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: 25c471a4fed6b65decc2ce09682e358a0cfe012966f4a46d79c0a33cc2c0b81e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41465c0a7482750fe94e4cb7827dcb47ebe74e8d8a669e1121c20497ac80fdff",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-05-08T11:35:28Z",
    "title_canon_sha256": "6c5306b10af3232e8ca6b74e98f2594cc01ec0d072b0f42fd6964795dd542bfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06895",
    "kind": "arxiv",
    "version": 1
  }
}