Pith Number

pith:57Z7RWXU

pith:2017:57Z7RWXUXE76V6ELMBBI5OV44Z

not attested not anchored not stored refs pending

On the inducibility of cycles

Dan Hefetz, Mykhaylo Tyomkyn

arxiv:1702.07342 v1 · 2017-02-23 · 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{57Z7RWXUXE76V6ELMBBI5OV44Z}

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	2026-05-18T00:50:07.413592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eff3f8daf4b93feaf88b60428ebabce66566f7f43a3e419f511cdfcc7f232248

Aliases

arxiv: 1702.07342 · arxiv_version: 1702.07342v1 · doi: 10.48550/arxiv.1702.07342 · pith_short_12: 57Z7RWXUXE76 · pith_short_16: 57Z7RWXUXE76V6EL · pith_short_8: 57Z7RWXU

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/57Z7RWXUXE76V6ELMBBI5OV44Z \
  | 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: eff3f8daf4b93feaf88b60428ebabce66566f7f43a3e419f511cdfcc7f232248

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a68f74cd479a863ec26611556b6ce59dbc1b37570934ff0b5d415dbeee8dbe6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-02-23T18:58:38Z",
    "title_canon_sha256": "2f94d0e032e142932ae165d17a5dee6c306ad10f797ecc0cc29c7eb1c6fc9728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07342",
    "kind": "arxiv",
    "version": 1
  }
}