Pith Number

pith:DUI3KJMZ

pith:2017:DUI3KJMZRDQJNH5M4PRPAGSPO5

not attested not anchored not stored refs pending

Genome of Descartes Folium via Normalization

Adrian Constantinescu, Constantin Udriste, Steluta Pricopie

arxiv:1702.03215 v1 · 2017-02-09 · 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{DUI3KJMZRDQJNH5M4PRPAGSPO5}

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	2026-05-18T00:50:58.444219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d11b5259988e0969face3e2f01a4f7762325dfaf4ddb7c51c7158d420d4092b

Aliases

arxiv: 1702.03215 · arxiv_version: 1702.03215v1 · doi: 10.48550/arxiv.1702.03215 · pith_short_12: DUI3KJMZRDQJ · pith_short_16: DUI3KJMZRDQJNH5M · pith_short_8: DUI3KJMZ

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/DUI3KJMZRDQJNH5M4PRPAGSPO5 \
  | 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: 1d11b5259988e0969face3e2f01a4f7762325dfaf4ddb7c51c7158d420d4092b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd41857bc61fd147096e0f99962dd58f4f4a05d805a31f9da2cd03c554e26193",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-02-09T08:59:39Z",
    "title_canon_sha256": "0a87ccbcae1248f9ad1f12b085307152fc2f67ec1eae6782b72af068b13e278b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03215",
    "kind": "arxiv",
    "version": 1
  }
}