Pith Number

pith:76C2DVU6

pith:2018:76C2DVU6FK57PM24M4BXSJXOWA

not attested not anchored not stored refs pending

Several Metric Properties of Level Curves

Pisheng Ding

arxiv:1804.07897 v1 · 2018-04-21 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{76C2DVU6FK57PM24M4BXSJXOWA}

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	2026-05-18T00:17:52.424377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff85a1d69e2abbf7b35c67037926eeb03f2eb6afa62b2f761a6407c02c590503

Aliases

arxiv: 1804.07897 · arxiv_version: 1804.07897v1 · doi: 10.48550/arxiv.1804.07897 · pith_short_12: 76C2DVU6FK57 · pith_short_16: 76C2DVU6FK57PM24 · pith_short_8: 76C2DVU6

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/76C2DVU6FK57PM24M4BXSJXOWA \
  | 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: ff85a1d69e2abbf7b35c67037926eeb03f2eb6afa62b2f761a6407c02c590503

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79ab4d7736c6484def330197fa6cc3635cade3184f2124167fa01ccbe6e852be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-04-21T06:08:05Z",
    "title_canon_sha256": "dae9cb4066d0f3c37e17ea3813599ceeb35cbff02f0bc444d6b6e287b579ae9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07897",
    "kind": "arxiv",
    "version": 1
  }
}