Pith Number

pith:K35CYEMV

pith:2015:K35CYEMVRZSHBRVAS3E4GISRPF

not attested not anchored not stored refs pending

On tangential deformations of homogeneous polynomials

Zhenjian Wang

arxiv:1505.00615 v5 · 2015-05-04 · 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{K35CYEMVRZSHBRVAS3E4GISRPF}

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	2026-05-18T00:54:15.914859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56fa2c11958e6470c6a096c9c32251797ede0e39d7793f8d5c068a2ee556d7ff

Aliases

arxiv: 1505.00615 · arxiv_version: 1505.00615v5 · doi: 10.48550/arxiv.1505.00615 · pith_short_12: K35CYEMVRZSH · pith_short_16: K35CYEMVRZSHBRVA · pith_short_8: K35CYEMV

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/K35CYEMVRZSHBRVAS3E4GISRPF \
  | 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: 56fa2c11958e6470c6a096c9c32251797ede0e39d7793f8d5c068a2ee556d7ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09445f8e0520cd6cd6887aef52b80b21dd2d6f1ffe453118a998fd29866fab5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-05-04T12:56:02Z",
    "title_canon_sha256": "ca8a8e9a98f400abf1440ff4175378d42b67eebc4b1c8523d1ea38ce9b205e55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00615",
    "kind": "arxiv",
    "version": 5
  }
}