Pith Number

pith:3N6NG2BK

pith:2018:3N6NG2BKCFTU2FTER5WFYQ3EH3

not attested not anchored not stored refs pending

Nonlocal quadratic forms with visibility constraint

Moritz Kassmann, Vanja Wagner

arxiv:1810.12289 v1 · 2018-10-29 · math.AP · math.FA · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3N6NG2BKCFTU2FTER5WFYQ3EH3}

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	2026-05-18T00:02:03.702788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db7cd3682a11674d16648f6c5c43643eda38f8b16d2307428cb7ea21e3add8f5

Aliases

arxiv: 1810.12289 · arxiv_version: 1810.12289v1 · doi: 10.48550/arxiv.1810.12289 · pith_short_12: 3N6NG2BKCFTU · pith_short_16: 3N6NG2BKCFTU2FTE · pith_short_8: 3N6NG2BK

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/3N6NG2BKCFTU2FTER5WFYQ3EH3 \
  | 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: db7cd3682a11674d16648f6c5c43643eda38f8b16d2307428cb7ea21e3add8f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f59e776c7a9d2a7ad15aa3e2433423e6262478bbfce83637839a821aa6e269ec",
    "cross_cats_sorted": [
      "math.FA",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-10-29T17:57:42Z",
    "title_canon_sha256": "5010d15f85585336e3ae88be4604a9d466283ec06809dfd51f40f51fce99987a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12289",
    "kind": "arxiv",
    "version": 1
  }
}