Pith Number

pith:7JSNMSWF

pith:2013:7JSNMSWFGFS2VE62Q6H5CKBDWY

not attested not anchored not stored refs pending

Cubic diophantine inequalities for split forms

Sam Chow

arxiv:1308.0146 v1 · 2013-08-01 · 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{7JSNMSWFGFS2VE62Q6H5CKBDWY}

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	2026-05-18T03:16:59.697285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa64d64ac53165aa93da878fd12823b6250a3cefe7756e70f9e091b710e0a7c3

Aliases

arxiv: 1308.0146 · arxiv_version: 1308.0146v1 · doi: 10.48550/arxiv.1308.0146 · pith_short_12: 7JSNMSWFGFS2 · pith_short_16: 7JSNMSWFGFS2VE62 · pith_short_8: 7JSNMSWF

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/7JSNMSWFGFS2VE62Q6H5CKBDWY \
  | 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: fa64d64ac53165aa93da878fd12823b6250a3cefe7756e70f9e091b710e0a7c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20fb34fa688b99f145f706c5d9ad8ce28ec7a17c1d54256587d5ba068695449b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2013-08-01T10:29:38Z",
    "title_canon_sha256": "b1d8167fbc721e1e84eca306194ff90dab8f135de1e4c0c3f0371bb2dbb4105f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0146",
    "kind": "arxiv",
    "version": 1
  }
}