Pith Number

pith:L6JSPQN3

pith:2018:L6JSPQN3P4YID7ZMBNKX3WO6T4

not attested not anchored not stored refs pending

Euclidean distance degree of the multiview variety

Botong Wang, Jose Israel Rodriguez, Laurentiu G. Maxim

arxiv:1812.05648 v1 · 2018-12-13 · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L6JSPQN3P4YID7ZMBNKX3WO6T4}

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	2026-05-17T23:58:18.559561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f9327c1bb7f3081ff2c0b557dd9de9f17b6c6d12174d92c5f56232650feb40c

Aliases

arxiv: 1812.05648 · arxiv_version: 1812.05648v1 · doi: 10.48550/arxiv.1812.05648 · pith_short_12: L6JSPQN3P4YI · pith_short_16: L6JSPQN3P4YID7ZM · pith_short_8: L6JSPQN3

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/L6JSPQN3P4YID7ZMBNKX3WO6T4 \
  | 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: 5f9327c1bb7f3081ff2c0b557dd9de9f17b6c6d12174d92c5f56232650feb40c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1bd6754c31c7d7f797c83d5113ff122803ce5836888409d0d36fe552d170f06",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-12-13T19:31:08Z",
    "title_canon_sha256": "0bbc7d6fa0b30be3a430dadcf3616825393f59a8e95a614262cd9dd40bd8969d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05648",
    "kind": "arxiv",
    "version": 1
  }
}