Pith Number

pith:ELUHLUVA

pith:2018:ELUHLUVACVS275I4TKJI6SH3K4

not attested not anchored not stored refs pending

Areas of spherical polyhedral surfaces with regular faces

Bobo Hua, Yanhui Su, Yohji Akama

arxiv:1804.11033 v1 · 2018-04-30 · 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{ELUHLUVACVS275I4TKJI6SH3K4}

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	2026-05-18T00:17:14.834556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22e875d2a01565aff51c9a928f48fb5733f08fed9c0d5639714e6f965d6d261a

Aliases

arxiv: 1804.11033 · arxiv_version: 1804.11033v1 · doi: 10.48550/arxiv.1804.11033 · pith_short_12: ELUHLUVACVS2 · pith_short_16: ELUHLUVACVS275I4 · pith_short_8: ELUHLUVA

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/ELUHLUVACVS275I4TKJI6SH3K4 \
  | 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: 22e875d2a01565aff51c9a928f48fb5733f08fed9c0d5639714e6f965d6d261a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e31dda396d5f31f31160e4823b4c20944fe4191c2e35b11e2a12a751fcba2478",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2018-04-30T03:09:59Z",
    "title_canon_sha256": "4b4ecbac92c474f4d5898d2135838bbd43914419b4551fad79b88e2e6f744cad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11033",
    "kind": "arxiv",
    "version": 1
  }
}