Pith Number

pith:RYQN2FBX

pith:2017:RYQN2FBX3CD5ITNUIAZPT544PC

not attested not anchored not stored refs pending

A Hankel matrix acting on spaces of analytic functions

Daniel Girela, Noel Merch\'an

arxiv:1706.04079 v1 · 2017-06-12 · 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{RYQN2FBX3CD5ITNUIAZPT544PC}

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	2026-05-18T00:29:13.248757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e20dd1437d887d44db44032f9f79c78801beb011a6c5496738f6456630bb480

Aliases

arxiv: 1706.04079 · arxiv_version: 1706.04079v1 · doi: 10.48550/arxiv.1706.04079 · pith_short_12: RYQN2FBX3CD5 · pith_short_16: RYQN2FBX3CD5ITNU · pith_short_8: RYQN2FBX

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/RYQN2FBX3CD5ITNUIAZPT544PC \
  | 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: 8e20dd1437d887d44db44032f9f79c78801beb011a6c5496738f6456630bb480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d2582a439984910c99f516cadb37a86a157e3e13baa5d1fdac0719213e9c08c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-06-12T13:18:42Z",
    "title_canon_sha256": "9c56fed9290230140cde8e0c772596ddbc349e85342070a72762340853531e8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04079",
    "kind": "arxiv",
    "version": 1
  }
}