Pith Number

pith:RMZBSB4F

pith:2009:RMZBSB4FXYZXYRYX36A4PACCXN

not attested not anchored not stored refs pending

Formal and finite order equivalences

Dmitri Zaitsev

arxiv:0912.1869 v1 · 2009-12-10 · math.CV · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RMZBSB4FXYZXYRYX36A4PACCXN}

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	2026-05-18T02:27:08.415458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b32190785be337c4717df81c78042bb6ddfed7fb6e33091919d3b084a16e0ef

Aliases

arxiv: 0912.1869 · arxiv_version: 0912.1869v1 · doi: 10.48550/arxiv.0912.1869 · pith_short_12: RMZBSB4FXYZX · pith_short_16: RMZBSB4FXYZXYRYX · pith_short_8: RMZBSB4F

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/RMZBSB4FXYZXYRYX36A4PACCXN \
  | 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: 8b32190785be337c4717df81c78042bb6ddfed7fb6e33091919d3b084a16e0ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b55b0dbad5fad61d92dcbb2e1c8e9a8f38225638ce7e1258cb498b5cd08847c9",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2009-12-10T20:12:08Z",
    "title_canon_sha256": "17c64775ba0d4c07c794558c703fcdc29f11ff31e0e349d75612878d038b412f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1869",
    "kind": "arxiv",
    "version": 1
  }
}