Pith Number

pith:VUWSOX45

pith:2013:VUWSOX45ZCIAOB73N7EOBR5IBM

not attested not anchored not stored refs pending

Small zeros of quadratic forms outside of a union of varieties

Glenn Henshaw, Lenny Fukshansky, Wai Kiu Chan

arxiv:1307.0564 v1 · 2013-07-02 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUWSOX45ZCIAOB73N7EOBR5IBM}

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	2026-05-18T02:42:39.671363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad2d275f9dc8900707fb6fc8e0c7a80b364982801b938f972484cade7c934291

Aliases

arxiv: 1307.0564 · arxiv_version: 1307.0564v1 · doi: 10.48550/arxiv.1307.0564 · pith_short_12: VUWSOX45ZCIA · pith_short_16: VUWSOX45ZCIAOB73 · pith_short_8: VUWSOX45

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/VUWSOX45ZCIAOB73N7EOBR5IBM \
  | 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: ad2d275f9dc8900707fb6fc8e0c7a80b364982801b938f972484cade7c934291

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dd07f87a99987c84472d4fbf264540c84b611d66dc77a571af36362f9f8b7d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2013-07-02T00:21:20Z",
    "title_canon_sha256": "8d9b0bcf0d9eebd9d4126a746b8cc8af1ace997e842569e7325005e0300dcf0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0564",
    "kind": "arxiv",
    "version": 1
  }
}