Pith Number

pith:ZWFDEROC

pith:2014:ZWFDEROCDABG6MT6ENDQTDPSPZ

not attested not anchored not stored refs pending

On singularities of third secant varieties of Veronese embeddings

Kangjin Han

arxiv:1411.5063 v3 · 2014-11-18 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZWFDEROCDABG6MT6ENDQTDPSPZ}

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	2026-05-18T00:26:09.110189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd8a3245c218026f327e2347098df27e4243e408c7b1d4b394cd46493173ee3e

Aliases

arxiv: 1411.5063 · arxiv_version: 1411.5063v3 · doi: 10.48550/arxiv.1411.5063 · pith_short_12: ZWFDEROCDABG · pith_short_16: ZWFDEROCDABG6MT6 · pith_short_8: ZWFDEROC

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/ZWFDEROCDABG6MT6ENDQTDPSPZ \
  | 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: cd8a3245c218026f327e2347098df27e4243e408c7b1d4b394cd46493173ee3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b16b74a45fd87dcf5ef07cf8cc120706a7ca5defa8a677c476d13c40a99a270",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-11-18T23:25:09Z",
    "title_canon_sha256": "fa2e75343367a97d61fa13618c0de708107fb87bc2ce193a648a3a50226a4cc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5063",
    "kind": "arxiv",
    "version": 3
  }
}