Pith Number

pith:W33NFWPG

pith:2016:W33NFWPG456VVW252YIVR53KDS

not attested not anchored not stored refs pending

Hyperbolicity and near hyperbolicity of quadratic forms over function fields of quadrics

Stephen Scully

arxiv:1609.07100 v2 · 2016-09-22 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W33NFWPG456VVW252YIVR53KDS}

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	2026-05-18T00:33:32.457529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6f6d2d9e6e77d5adb5dd61158f76a1c9910e90cc61d969ebd90441bb94497df

Aliases

arxiv: 1609.07100 · arxiv_version: 1609.07100v2 · doi: 10.48550/arxiv.1609.07100 · pith_short_12: W33NFWPG456V · pith_short_16: W33NFWPG456VVW25 · pith_short_8: W33NFWPG

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/W33NFWPG456VVW252YIVR53KDS \
  | 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: b6f6d2d9e6e77d5adb5dd61158f76a1c9910e90cc61d969ebd90441bb94497df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7c6aea987d4341c64618b5cb0d4d50de165f5e719398e13fed8c293ffad7e1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2016-09-22T18:36:05Z",
    "title_canon_sha256": "4286bf50f1b777f37938303ba3956c774269b74eaa5cd4bef8675387b4152e59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07100",
    "kind": "arxiv",
    "version": 2
  }
}