Pith Number

pith:6N5UNLT2

pith:2013:6N5UNLT2CPGA7HRFD3WR5Z5DTG

not attested not anchored not stored refs pending

Ball-preserving mappings of finite ultrametric spaces

E. Petrov

arxiv:1302.5896 v1 · 2013-02-24 · 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{6N5UNLT2CPGA7HRFD3WR5Z5DTG}

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	2026-05-18T03:32:43.251446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f37b46ae7a13cc0f9e251eed1ee7a399a729c466baef51376f3e66a251e3a6ed

Aliases

arxiv: 1302.5896 · arxiv_version: 1302.5896v1 · doi: 10.48550/arxiv.1302.5896 · pith_short_12: 6N5UNLT2CPGA · pith_short_16: 6N5UNLT2CPGA7HRF · pith_short_8: 6N5UNLT2

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/6N5UNLT2CPGA7HRFD3WR5Z5DTG \
  | 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: f37b46ae7a13cc0f9e251eed1ee7a399a729c466baef51376f3e66a251e3a6ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c21e956e8a78f73b4d8a6dbcb193f5bd68c663d7f735359c71ea853e542dabbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-02-24T11:34:31Z",
    "title_canon_sha256": "f208961ed995ee931651c055a1c0705de1c9d51b2419abcab3bcd81ce0f8c3fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5896",
    "kind": "arxiv",
    "version": 1
  }
}