Pith Number

pith:MRUGQASY

pith:2014:MRUGQASYSAMSONEJSOJ2Z5A73Z

not attested not anchored not stored refs pending

Algorithms to test open set condition for self-similar set related to P.V. numbers

Hao Li, Li-Feng Xi, Qin Wang, qiu-li Guo

arxiv:1405.0781 v1 · 2014-05-05 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MRUGQASYSAMSONEJSOJ2Z5A73Z}

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	2026-05-18T02:52:40.716728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

646868025890192734899393acf41fde6f8ee1fb3c2ef66531fd4d05206026ea

Aliases

arxiv: 1405.0781 · arxiv_version: 1405.0781v1 · doi: 10.48550/arxiv.1405.0781 · pith_short_12: MRUGQASYSAMS · pith_short_16: MRUGQASYSAMSONEJ · pith_short_8: MRUGQASY

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/MRUGQASYSAMSONEJSOJ2Z5A73Z \
  | 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: 646868025890192734899393acf41fde6f8ee1fb3c2ef66531fd4d05206026ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c8ed1ffbb3b164d7bbb9b506daab1ca348081fc430f084fef605928b8d77486",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-05-05T05:22:37Z",
    "title_canon_sha256": "eb3372cd1c6900ae0c499ce6cfae063b3b4ec580b98cf687e1633aedc72f1f5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0781",
    "kind": "arxiv",
    "version": 1
  }
}