Pith Number

pith:H6OQTMXR

pith:2013:H6OQTMXRELQPQ3NXYKT25RGORH

not attested not anchored not stored refs pending

Iterated Index and the Mean Euler Characteristic

Viktor L. Ginzburg, Yusuf G\"oren

arxiv:1311.0547 v1 · 2013-11-03 · math.SG · math.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{H6OQTMXRELQPQ3NXYKT25RGORH}

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	2026-05-18T03:08:05.512905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f9d09b2f122e0f86db7c2a7aec4ce89c6572673e8f3465ba4ae5a8a7cdee56c

Aliases

arxiv: 1311.0547 · arxiv_version: 1311.0547v1 · doi: 10.48550/arxiv.1311.0547 · pith_short_12: H6OQTMXRELQP · pith_short_16: H6OQTMXRELQPQ3NX · pith_short_8: H6OQTMXR

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/H6OQTMXRELQPQ3NXYKT25RGORH \
  | 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: 3f9d09b2f122e0f86db7c2a7aec4ce89c6572673e8f3465ba4ae5a8a7cdee56c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b11cb006e04924c26fb8fa51c89816084539a8a9ffd55df7382e30172a4743b",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2013-11-03T23:58:53Z",
    "title_canon_sha256": "3dfb87d22ba49eff91f3a1f80c9654273586a5c73ec1b6fa5abdbce28de1d362"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0547",
    "kind": "arxiv",
    "version": 1
  }
}