Pith Number

pith:FXZ2RHMA

pith:2010:FXZ2RHMABZYXPTWLIG3NDGM5NB

not attested not anchored not stored refs pending

On tight Euclidean $6$-designs: an experimental result

Djoko Suprijanto

arxiv:1012.1946 v1 · 2010-12-09 · 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{FXZ2RHMABZYXPTWLIG3NDGM5NB}

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	2026-05-18T04:33:49.301507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2df3a89d800e7177cecb41b6d1999d68584f37a57e1a1136eb9966cbe6ff8061

Aliases

arxiv: 1012.1946 · arxiv_version: 1012.1946v1 · doi: 10.48550/arxiv.1012.1946 · pith_short_12: FXZ2RHMABZYX · pith_short_16: FXZ2RHMABZYXPTWL · pith_short_8: FXZ2RHMA

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/FXZ2RHMABZYXPTWLIG3NDGM5NB \
  | 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: 2df3a89d800e7177cecb41b6d1999d68584f37a57e1a1136eb9966cbe6ff8061

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ee1e2d102722ac5ed28ed956c136380e7f3fb369c2794e63111103d8eafb441",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-12-09T09:04:06Z",
    "title_canon_sha256": "bf5a14f9be5997c88ce5dd8cf206f3a99d16685432f8f63f1a428d6b82823f12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1946",
    "kind": "arxiv",
    "version": 1
  }
}