Pith Number

pith:VFF7LHFP

pith:2013:VFF7LHFPCT47X7KP4YUYDUC3GU

not attested not anchored not stored refs pending

Characterising pointsets in PG(4,q) that correspond to conics

S.G. Barwick, Wen-Ai Jackson

arxiv:1308.4484 v1 · 2013-08-21 · 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{VFF7LHFPCT47X7KP4YUYDUC3GU}

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	2026-05-18T03:15:21.977752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a94bf59caf14f9fbfd4fe62981d05b35164abe1561ca22f70a15ce8972fcc112

Aliases

arxiv: 1308.4484 · arxiv_version: 1308.4484v1 · doi: 10.48550/arxiv.1308.4484 · pith_short_12: VFF7LHFPCT47 · pith_short_16: VFF7LHFPCT47X7KP · pith_short_8: VFF7LHFP

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/VFF7LHFPCT47X7KP4YUYDUC3GU \
  | 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: a94bf59caf14f9fbfd4fe62981d05b35164abe1561ca22f70a15ce8972fcc112

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "540f88b41dc1734d8e43bbb7454665fb9efbd9666d4ea7688419d389abc80d41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-08-21T05:01:23Z",
    "title_canon_sha256": "541bf1083689fd0ee8ea39330d7444f627164e587141ef891de11b4e77acbf92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4484",
    "kind": "arxiv",
    "version": 1
  }
}