Pith Number

pith:EYZKM7GH

pith:2015:EYZKM7GHFETPXEVEWGTP3GIQKR

not attested not anchored not stored refs pending

The coefficients of the reduced Bartholdi zeta function

Maedeh S. Tahaei, Seyed Naser Hashemi

arxiv:1509.06646 v2 · 2015-09-22 · 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{EYZKM7GHFETPXEVEWGTP3GIQKR}

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	2026-05-18T01:03:32.804088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2632a67cc72926fb92a4b1a6fd9910546cf3afaa45502bb5042fa65132261cfc

Aliases

arxiv: 1509.06646 · arxiv_version: 1509.06646v2 · doi: 10.48550/arxiv.1509.06646 · pith_short_12: EYZKM7GHFETP · pith_short_16: EYZKM7GHFETPXEVE · pith_short_8: EYZKM7GH

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/EYZKM7GHFETPXEVEWGTP3GIQKR \
  | 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: 2632a67cc72926fb92a4b1a6fd9910546cf3afaa45502bb5042fa65132261cfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4880a533a60938b0559a5669d21430c56bb2e0fb9158381cd02c58e1a06b8452",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-09-22T15:31:03Z",
    "title_canon_sha256": "ef71c1d9a6ff3243df31d44063afff0141142c5ff0ad7cbf8e5c4e0f06cfb222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06646",
    "kind": "arxiv",
    "version": 2
  }
}