Pith Number

pith:YZB74EHL

pith:2010:YZB74EHLUFWDJKB42OR6JBLYAR

not attested not anchored not stored refs pending

A Formula for Inserting Point Masses

Manwah Lilian Wong

arxiv:1009.1641 v1 · 2010-09-08 · math.CA · math-ph · math.MP · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YZB74EHLUFWDJKB42OR6JBLYAR}

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	2026-05-18T04:41:13.825137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c643fe10eba16c34a83cd3a3e48578045e4f687d78fd87821ba0159aa61adc83

Aliases

arxiv: 1009.1641 · arxiv_version: 1009.1641v1 · doi: 10.48550/arxiv.1009.1641 · pith_short_12: YZB74EHLUFWD · pith_short_16: YZB74EHLUFWDJKB4 · pith_short_8: YZB74EHL

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/YZB74EHLUFWDJKB42OR6JBLYAR \
  | 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: c643fe10eba16c34a83cd3a3e48578045e4f687d78fd87821ba0159aa61adc83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77d24a6fa50532010ebc0c262252d2aaab8c240ff98b26675a1d87d325e35a19",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.SP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2010-09-08T20:21:37Z",
    "title_canon_sha256": "4d04c1629db191968fd8efc11b0babe6913cc363572b540b11c556c853cde73b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1641",
    "kind": "arxiv",
    "version": 1
  }
}