Pith Number

pith:7A67AZ4A

pith:2019:7A67AZ4APAMYXBVXD5IBP3WHVN

not attested not anchored not stored refs pending

A note on a recent attempt to prove Sendov's conjecture

N.A. Rather, Suhail Gulzar

arxiv:1903.04026 v1 · 2019-03-10 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7A67AZ4APAMYXBVXD5IBP3WHVN}

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	2026-05-17T23:51:40.292067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f83df0678078198b86b71f5017eec7ab62f516cdf00376f1cee21d6a4041e6f8

Aliases

arxiv: 1903.04026 · arxiv_version: 1903.04026v1 · doi: 10.48550/arxiv.1903.04026 · pith_short_12: 7A67AZ4APAMY · pith_short_16: 7A67AZ4APAMYXBVX · pith_short_8: 7A67AZ4A

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/7A67AZ4APAMYXBVXD5IBP3WHVN \
  | 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: f83df0678078198b86b71f5017eec7ab62f516cdf00376f1cee21d6a4041e6f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27d96cc77aa864adf404588fbc986ba38b24ba91494437f8c960293e61c95719",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-03-10T17:51:34Z",
    "title_canon_sha256": "64f4fc97b634f7bd1188bc05c95e03d97830c09a6cf2433c7eef40ce49fa25b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04026",
    "kind": "arxiv",
    "version": 1
  }
}