Pith Number

pith:LCGQMBC2

pith:2019:LCGQMBC25FINCSAXW7S2DEWYNG

not attested not anchored not stored refs pending

Some inequalities for tetrahedra

Costin V\^ilcu, Jin-ichi Itoh, Jo\"el Rouyer

arxiv:1906.11965 v1 · 2019-06-27 · 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{LCGQMBC25FINCSAXW7S2DEWYNG}

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	2026-05-17T23:42:01.462751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

588d06045ae950d14817b7e5a192d86996dea46c286f5208f0339730ab3dade6

Aliases

arxiv: 1906.11965 · arxiv_version: 1906.11965v1 · doi: 10.48550/arxiv.1906.11965 · pith_short_12: LCGQMBC25FIN · pith_short_16: LCGQMBC25FINCSAX · pith_short_8: LCGQMBC2

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/LCGQMBC25FINCSAXW7S2DEWYNG \
  | 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: 588d06045ae950d14817b7e5a192d86996dea46c286f5208f0339730ab3dade6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f26fd6b051824a58f5e51ea2910c0859566d56d28758568c33e96f038bfa8f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2019-06-27T21:10:50Z",
    "title_canon_sha256": "b32e69b53ef41eb60a48c82e6992df13407bbf0c8957666c65a31454423b5530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11965",
    "kind": "arxiv",
    "version": 1
  }
}