Pith Number

pith:XWNDZR2W

pith:2016:XWNDZR2WXWGVW2YMPWKWGWUXAB

not attested not anchored not stored refs pending

Segmentation of real algebraic plane curves

Cesar Massri, Manuel Dubinsky

arxiv:1605.06862 v1 · 2016-05-22 · math.AG · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XWNDZR2WXWGVW2YMPWKWGWUXAB}

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	2026-05-18T01:14:10.113020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd9a3cc756bd8d5b6b0c7d95635a97005ffb363b52ea1bee61832815ff3cee33

Aliases

arxiv: 1605.06862 · arxiv_version: 1605.06862v1 · doi: 10.48550/arxiv.1605.06862 · pith_short_12: XWNDZR2WXWGV · pith_short_16: XWNDZR2WXWGVW2YM · pith_short_8: XWNDZR2W

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/XWNDZR2WXWGVW2YMPWKWGWUXAB \
  | 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: bd9a3cc756bd8d5b6b0c7d95635a97005ffb363b52ea1bee61832815ff3cee33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f5ba7363ee8f788a9124e1478647541a4f4fa36e78c31248fef2cb377ce3a5a",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-05-22T23:00:47Z",
    "title_canon_sha256": "274f4e3f0c3837e97ab1fff0916ffaca856c10bc36ec6f97bb33fe1e65fc0d6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06862",
    "kind": "arxiv",
    "version": 1
  }
}