Pith Number

pith:E5FI6XGQ

pith:2016:E5FI6XGQUNSJEJ4OEQCKPIWMH7

not attested not anchored not stored refs pending

On Hilbert's 17th problem in low degree

Olivier Benoist

arxiv:1602.07330 v2 · 2016-02-23 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E5FI6XGQUNSJEJ4OEQCKPIWMH7}

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	2026-05-18T00:41:08.281109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

274a8f5cd0a36492278e2404a7a2cc3fe079532e0073a278b141033767dbc87b

Aliases

arxiv: 1602.07330 · arxiv_version: 1602.07330v2 · doi: 10.48550/arxiv.1602.07330 · pith_short_12: E5FI6XGQUNSJ · pith_short_16: E5FI6XGQUNSJEJ4O · pith_short_8: E5FI6XGQ

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/E5FI6XGQUNSJEJ4OEQCKPIWMH7 \
  | 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: 274a8f5cd0a36492278e2404a7a2cc3fe079532e0073a278b141033767dbc87b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37d88cd75d9dfc739cdcc39094af7ace352587da32ac8c16b046d2bf01911dce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-02-23T21:57:45Z",
    "title_canon_sha256": "117557e1478ed764330d350a876eae5d40e3b86446e1d84750a3f713884af00b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07330",
    "kind": "arxiv",
    "version": 2
  }
}