Pith Number

pith:NOBHWKY6

pith:2005:NOBHWKY6ZPJB2UWL4JM7OHMVTN

not attested not anchored not stored refs pending

Residuality of Families of F-sigma Sets

Shingo Saito

arxiv:math/0506379 v2 · 2005-06-19 · math.GN · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NOBHWKY6ZPJB2UWL4JM7OHMVTN}

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	2026-05-18T04:27:02.890011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b827b2b1ecbd21d52cbe259f71d959b5657aca5dd918dfb41f838dc82f90823

Aliases

arxiv: math/0506379 · arxiv_version: math/0506379v2 · doi: 10.48550/arxiv.math/0506379 · pith_short_12: NOBHWKY6ZPJB · pith_short_16: NOBHWKY6ZPJB2UWL · pith_short_8: NOBHWKY6

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/NOBHWKY6ZPJB2UWL4JM7OHMVTN \
  | 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: 6b827b2b1ecbd21d52cbe259f71d959b5657aca5dd918dfb41f838dc82f90823

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9222928c8f32581e597f87540ec078a769ebae5485eb64ed6b2a54259ccda628",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "",
    "primary_cat": "math.GN",
    "submitted_at": "2005-06-19T21:25:02Z",
    "title_canon_sha256": "a4e556b6447a622f2dd67e821639417589a19c465a259454f7fa63eb9150bc68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0506379",
    "kind": "arxiv",
    "version": 2
  }
}