Pith Number

pith:KHT2JKBE

pith:2019:KHT2JKBE2BJWL6QTLOUWMP5E5B

not attested not anchored not stored refs pending

Row contractions annihilated by interpolating vanishing ideals

Edward J. Timko, Rapha\"el Clou\^atre

arxiv:1902.06826 v1 · 2019-02-18 · math.FA · math.CV · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KHT2JKBE2BJWL6QTLOUWMP5E5B}

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	2026-05-17T23:53:40.677165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51e7a4a824d05365fa135ba9663fa4e879f07c2f9978495f695659f69c13b67b

Aliases

arxiv: 1902.06826 · arxiv_version: 1902.06826v1 · doi: 10.48550/arxiv.1902.06826 · pith_short_12: KHT2JKBE2BJW · pith_short_16: KHT2JKBE2BJWL6QT · pith_short_8: KHT2JKBE

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/KHT2JKBE2BJWL6QTLOUWMP5E5B \
  | 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: 51e7a4a824d05365fa135ba9663fa4e879f07c2f9978495f695659f69c13b67b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1f68497dd93bc451cc82f1558aac153113973902e9dc60dcb3c832768382ec7",
    "cross_cats_sorted": [
      "math.CV",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-02-18T22:43:43Z",
    "title_canon_sha256": "b70e09a45f137e19add3aadcf5610b6b6a76aab963142f0a88d1941f8b32dc4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06826",
    "kind": "arxiv",
    "version": 1
  }
}