Pith Number

pith:QAYFPAMV

pith:2016:QAYFPAMV7OCFV3UMXLZ6SMCLM2

not attested not anchored not stored refs pending

Complete Nevanlinna-Pick kernels

Jim Agler, John E. McCarthy

arxiv:1610.01997 v1 · 2016-10-06 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QAYFPAMV7OCFV3UMXLZ6SMCLM2}

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	2026-05-18T01:03:04.169383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8030578195fb845aee8cbaf3e9304b66b1bff8dd8f4cebfe6b1d36bdfe20b63d

Aliases

arxiv: 1610.01997 · arxiv_version: 1610.01997v1 · doi: 10.48550/arxiv.1610.01997 · pith_short_12: QAYFPAMV7OCF · pith_short_16: QAYFPAMV7OCFV3UM · pith_short_8: QAYFPAMV

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/QAYFPAMV7OCFV3UMXLZ6SMCLM2 \
  | 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: 8030578195fb845aee8cbaf3e9304b66b1bff8dd8f4cebfe6b1d36bdfe20b63d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "912716f698da61eb513fb5f1e1e5fbfd6c6ba5eb0a9691cdd85766609b9aafe8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-10-06T19:10:18Z",
    "title_canon_sha256": "a039ba07efc1baae8a0e28e495a62ca3167b87474e5e2244ac705a68051cfc51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.01997",
    "kind": "arxiv",
    "version": 1
  }
}