Pith Number

pith:WUBE4XIF

pith:2017:WUBE4XIFKHINTEKFFI3OMPCCJV

not attested not anchored not stored refs pending

Set-theoretical entropies of generalized shifts

Fatemah Ayatollah Zadeh Shirazi, Zahra Nili Ahmadabadi

arxiv:1709.01579 v2 · 2017-09-05 · 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{WUBE4XIFKHINTEKFFI3OMPCCJV}

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	2026-05-18T00:13:47.616772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5024e5d0551d0d991452a36e63c424d7e6f1195abf9006f6a97d0ce5e058e7a

Aliases

arxiv: 1709.01579 · arxiv_version: 1709.01579v2 · doi: 10.48550/arxiv.1709.01579 · pith_short_12: WUBE4XIFKHIN · pith_short_16: WUBE4XIFKHINTEKF · pith_short_8: WUBE4XIF

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/WUBE4XIFKHINTEKFFI3OMPCCJV \
  | 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: b5024e5d0551d0d991452a36e63c424d7e6f1195abf9006f6a97d0ce5e058e7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81b22e7b0233d3aa4860fd385a402d3d6cddaf7f7ad3de64d014774e0fd2a2cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-09-05T20:18:12Z",
    "title_canon_sha256": "27237dfe8ddac49c4066a40f55a8f0ef3d5d96cbd675ae00c44b233c8c7d56b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01579",
    "kind": "arxiv",
    "version": 2
  }
}