Pith Number

pith:FI4RXPXD

pith:2011:FI4RXPXDA6YKNDRDYACKZV6SCR

not attested not anchored not stored refs pending

On the reproducing kernel of a Pontryagin space of vector valued polynomials

Aad Dijksma, Branko \'Curgus

arxiv:1103.1005 v4 · 2011-03-05 · math.FA · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FI4RXPXDA6YKNDRDYACKZV6SCR}

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	2026-05-18T03:54:04.495191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a391bbee307b0a68e23c004acd7d214694a1a8e63f874f47e05dbb0d1fbdb6f

Aliases

arxiv: 1103.1005 · arxiv_version: 1103.1005v4 · doi: 10.48550/arxiv.1103.1005 · pith_short_12: FI4RXPXDA6YK · pith_short_16: FI4RXPXDA6YKNDRD · pith_short_8: FI4RXPXD

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/FI4RXPXDA6YKNDRDYACKZV6SCR \
  | 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: 2a391bbee307b0a68e23c004acd7d214694a1a8e63f874f47e05dbb0d1fbdb6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7481714750badc9307ba624313f4d3ec9484d446c1c3dd741a25df129533d314",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-03-05T04:09:05Z",
    "title_canon_sha256": "7b786ab2bfa21bd8b6cfa4d654c6958edcdfc8362fa1233222d3861a709a366d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1005",
    "kind": "arxiv",
    "version": 4
  }
}