Pith Number

pith:Q6EPEMF3

pith:2019:Q6EPEMF3TYDWUR4VIJ5VDICXNW

not attested not anchored not stored refs pending

Characterising hyperbolic hyperplanes of a non-singular quadric in $PG(4,q)$

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

arxiv:1906.04932 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{Q6EPEMF3TYDWUR4VIJ5VDICXNW}

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	2026-05-17T23:43:30.065035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8788f230bb9e076a4795427b51a0576d9ac5fb685d30751a64b3d5f6a2547941

Aliases

arxiv: 1906.04932 · arxiv_version: 1906.04932v1 · doi: 10.48550/arxiv.1906.04932 · pith_short_12: Q6EPEMF3TYDW · pith_short_16: Q6EPEMF3TYDWUR4V · pith_short_8: Q6EPEMF3

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/Q6EPEMF3TYDWUR4VIJ5VDICXNW \
  | 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: 8788f230bb9e076a4795427b51a0576d9ac5fb685d30751a64b3d5f6a2547941

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5141c2bf81b09e31c268ed56da63b8824d3226cda71b1cb73b3131eaffea100",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-06-04T02:43:04Z",
    "title_canon_sha256": "fe4f6d3ea56d35dd2c05e2fe5882e0b0bd46876997afe20979ee4bc7d497bcb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04932",
    "kind": "arxiv",
    "version": 1
  }
}