Pith Number

pith:HSOTKMNV

pith:2009:HSOTKMNVQK6IX44573H76MXPAT

not attested not anchored not stored refs pending

Every transformation is disjoint from almost every IET

Jon Chaika

arxiv:0905.2370 v3 · 2009-05-14 · 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{HSOTKMNVQK6IX44573H76MXPAT}

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	2026-05-18T03:46:05.623455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c9d3531b582bc8bf39dfecfff32ef04d9ebc1c578abd51f5ddef262f5f2cac4

Aliases

arxiv: 0905.2370 · arxiv_version: 0905.2370v3 · doi: 10.48550/arxiv.0905.2370 · pith_short_12: HSOTKMNVQK6I · pith_short_16: HSOTKMNVQK6IX445 · pith_short_8: HSOTKMNV

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/HSOTKMNVQK6IX44573H76MXPAT \
  | 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: 3c9d3531b582bc8bf39dfecfff32ef04d9ebc1c578abd51f5ddef262f5f2cac4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7421d281d98546294d317a5f4508fd3bb3f9e0c4be43f2b3cf039fbb09ad24ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2009-05-14T16:15:46Z",
    "title_canon_sha256": "04cecfaec7a4d3bb287d89ba34c9e905f1445657e72884676e1990d345c32e6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2370",
    "kind": "arxiv",
    "version": 3
  }
}