Pith Number

pith:N4YQT4L5

pith:2011:N4YQT4L54AC7TWWNQVQUCWRYXI

not attested not anchored not stored refs pending

On a characterization of finite Blaschke products

Emmanuel Fricain (ICJ), Javad Mashreghi

arxiv:1101.2296 v1 · 2011-01-12 · 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{N4YQT4L54AC7TWWNQVQUCWRYXI}

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	2026-05-18T02:59:06.796033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f3109f17de005f9dacd8561415a38ba34eaa99e7fd46817821eeeea857e264b

Aliases

arxiv: 1101.2296 · arxiv_version: 1101.2296v1 · doi: 10.48550/arxiv.1101.2296 · pith_short_12: N4YQT4L54AC7 · pith_short_16: N4YQT4L54AC7TWWN · pith_short_8: N4YQT4L5

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/N4YQT4L54AC7TWWNQVQUCWRYXI \
  | 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: 6f3109f17de005f9dacd8561415a38ba34eaa99e7fd46817821eeeea857e264b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed88d53366125d8562ccccd22d95c416971127c5a10b3bfcc605a132cabbe7d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2011-01-12T08:57:38Z",
    "title_canon_sha256": "117514e6718c165fabea015e93a6db57f7a72f67db6020d5705288f8f71c8276"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2296",
    "kind": "arxiv",
    "version": 1
  }
}