Pith Number

pith:CAHIEV2J

pith:2018:CAHIEV2JVMKYJDN3KLDDXCUE7J

not attested not anchored not stored refs pending

Univalence of a certain quartic function

Jimmy Dillies

arxiv:1803.03098 v3 · 2018-02-21 · math.CV · 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{CAHIEV2JVMKYJDN3KLDDXCUE7J}

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	2026-05-18T00:04:59.294536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

100e825749ab15848dbb52c63b8a84fa455af1b5ddd0c29c7f4d8870744e062d

Aliases

arxiv: 1803.03098 · arxiv_version: 1803.03098v3 · doi: 10.48550/arxiv.1803.03098 · pith_short_12: CAHIEV2JVMKY · pith_short_16: CAHIEV2JVMKYJDN3 · pith_short_8: CAHIEV2J

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/CAHIEV2JVMKYJDN3KLDDXCUE7J \
  | 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: 100e825749ab15848dbb52c63b8a84fa455af1b5ddd0c29c7f4d8870744e062d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7918a21cf3731cac5c3afc3c5ef1284177ecf25f8870758ac080d966d8f4ea0c",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-02-21T03:33:40Z",
    "title_canon_sha256": "ea51de086f9313c79d2848d7a9ba60aaf502876b88ff62818283573678b77302"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03098",
    "kind": "arxiv",
    "version": 3
  }
}