Pith Number

pith:NBDJ3IKC

pith:2019:NBDJ3IKCNS6EX3STSP6FKZGG6G

not attested not anchored not stored refs pending

Characterising elliptic solids of $Q(4,q)$, $q$ even

Alice M.W. Hui, S.G. Barwick, Wen-Ai Jackson

arxiv:1906.03985 v1 · 2019-06-04 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBDJ3IKCNS6EX3STSP6FKZGG6G}

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	2026-05-17T23:43:44.265268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68469da1426cbc4bee5393fc5564c6f185e756cda65d9cd858661f400650ed79

Aliases

arxiv: 1906.03985 · arxiv_version: 1906.03985v1 · doi: 10.48550/arxiv.1906.03985 · pith_short_12: NBDJ3IKCNS6E · pith_short_16: NBDJ3IKCNS6EX3ST · pith_short_8: NBDJ3IKC

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/NBDJ3IKCNS6EX3STSP6FKZGG6G \
  | 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: 68469da1426cbc4bee5393fc5564c6f185e756cda65d9cd858661f400650ed79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b3fcf7c4a70a22f6af3a4eb763999fc38b6dd0a2298cbfd06fb2cdca40f04f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-06-04T02:40:25Z",
    "title_canon_sha256": "23ce1a554f27da0d17afda469d370f0bfecb467f8f34af53e6bdcdfc4f09e3ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03985",
    "kind": "arxiv",
    "version": 1
  }
}