Pith Number

pith:MFQWT6HC

pith:2015:MFQWT6HCEBULEN5BCOBLNKPONZ

not attested not anchored not stored refs pending

On the Riemann-Hilbert factorization problem for positive definite functions

Amir T. P. Najafabadi, Aydin Sarraf, Dan Kucerovsky

arxiv:1506.00977 v1 · 2015-06-02 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MFQWT6HCEBULEN5BCOBLNKPONZ}

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	2026-05-18T01:26:25.271265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

616169f8e22068b237a11382b6a9ee6e5605c586a75dee1ac1a9543bf633db6c

Aliases

arxiv: 1506.00977 · arxiv_version: 1506.00977v1 · doi: 10.48550/arxiv.1506.00977 · pith_short_12: MFQWT6HCEBUL · pith_short_16: MFQWT6HCEBULEN5B · pith_short_8: MFQWT6HC

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/MFQWT6HCEBULEN5BCOBLNKPONZ \
  | 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: 616169f8e22068b237a11382b6a9ee6e5605c586a75dee1ac1a9543bf633db6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98b5027b02ecc79a28a5abeada1f9c8534b86db3afca7033a8dd82d388b5700f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2015-06-02T17:59:26Z",
    "title_canon_sha256": "8a1b93f902aa6cb2fa565f18a712ae7171e8ed15f8ee4a8abfcf9d48be80b581"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00977",
    "kind": "arxiv",
    "version": 1
  }
}