Pith Number

pith:BMM54DXI

pith:2019:BMM54DXIUXSGGZLOKMUQNAWVRB

not attested not anchored not stored refs pending

The isoperimetric problem for $3$-polytopes with six vertices

\'Agnes Kov\'acs, K\'aroly J. B\"or\"oczky

arxiv:1901.02160 v1 · 2019-01-08 · 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{BMM54DXIUXSGGZLOKMUQNAWVRB}

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	2026-05-17T23:56:43.881738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b19de0ee8a5e463656e53290682d588591a69e173e4bb13fa3d3b93c5228cf8

Aliases

arxiv: 1901.02160 · arxiv_version: 1901.02160v1 · doi: 10.48550/arxiv.1901.02160 · pith_short_12: BMM54DXIUXSG · pith_short_16: BMM54DXIUXSGGZLO · pith_short_8: BMM54DXI

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/BMM54DXIUXSGGZLOKMUQNAWVRB \
  | 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: 0b19de0ee8a5e463656e53290682d588591a69e173e4bb13fa3d3b93c5228cf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aff6a4c5287ae1ebf8ef2144edf5a6cec0fb977ecd0e176e6b6ed5997a6198b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2019-01-08T05:20:30Z",
    "title_canon_sha256": "89c899c5eda93908c8eec4a64bac73f51bd2797921a03b5f13a7bc8e3dd761b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02160",
    "kind": "arxiv",
    "version": 1
  }
}