Pith Number

pith:YRYQLTW5

pith:2013:YRYQLTW5Q2IZSIGEKPNVXXFXVV

not attested not anchored not stored refs pending

Hamiltonian Cycle in Semi-Equivelar Maps on the Torus

Ashish Kumar Upadhyay, Dipendu Maity

arxiv:1308.6717 v1 · 2013-08-30 · math.CO · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YRYQLTW5Q2IZSIGEKPNVXXFXVV}

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	2026-05-18T03:14:38.336198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c47105cedd86919920c453db5bdcb7ad74babd23a704e3c3e61149d94f32cccd

Aliases

arxiv: 1308.6717 · arxiv_version: 1308.6717v1 · doi: 10.48550/arxiv.1308.6717 · pith_short_12: YRYQLTW5Q2IZ · pith_short_16: YRYQLTW5Q2IZSIGE · pith_short_8: YRYQLTW5

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/YRYQLTW5Q2IZSIGEKPNVXXFXVV \
  | 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: c47105cedd86919920c453db5bdcb7ad74babd23a704e3c3e61149d94f32cccd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1d2ec7962d7960fc9361e4fc307675c3934393224cd8728096059bde057b7a3",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-08-30T11:58:45Z",
    "title_canon_sha256": "0384a2f05cb8d8047ad89f9f899417db99b96435f31654b52351cc73707663d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6717",
    "kind": "arxiv",
    "version": 1
  }
}