Pith Number

pith:NYCQ2S23

pith:2017:NYCQ2S23YWJJKJT5Z5N3TC4KCF

not attested not anchored not stored refs pending

Many cubic surfaces contain rational points

T.D. Browning

arxiv:1701.00525 v2 · 2017-01-02 · 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{NYCQ2S23YWJJKJT5Z5N3TC4KCF}

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	2026-05-18T00:28:46.928611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e050d4b5bc59295267dcf5bb98b8a1155db9236dba2a963786f881e4e65b4f7

Aliases

arxiv: 1701.00525 · arxiv_version: 1701.00525v2 · doi: 10.48550/arxiv.1701.00525 · pith_short_12: NYCQ2S23YWJJ · pith_short_16: NYCQ2S23YWJJKJT5 · pith_short_8: NYCQ2S23

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/NYCQ2S23YWJJKJT5Z5N3TC4KCF \
  | 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: 6e050d4b5bc59295267dcf5bb98b8a1155db9236dba2a963786f881e4e65b4f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09b94c3d6088291d1b0ee4933b1e3f151d860346fa6c724cfe7b6b21967c094d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-01-02T21:15:11Z",
    "title_canon_sha256": "55dd66e7bd857140d6ec920ccbc0f3c9ead928cc9352d491153f1e326f92fcc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00525",
    "kind": "arxiv",
    "version": 2
  }
}