Pith Number

pith:CXQUPF27

pith:2010:CXQUPF27SH6SEO24PAGWGB3Y2L

not attested not anchored not stored refs pending

Karl Stein (1913-2000)

Alan Huckleberry

arxiv:1003.6025 v1 · 2010-03-31 · math.HO · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CXQUPF27SH6SEO24PAGWGB3Y2L}

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	2026-05-18T04:42:14.582261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15e147975f91fd223b5c780d630778d2d42873fba595a37dc439b76d11e85ca2

Aliases

arxiv: 1003.6025 · arxiv_version: 1003.6025v1 · doi: 10.48550/arxiv.1003.6025 · pith_short_12: CXQUPF27SH6S · pith_short_16: CXQUPF27SH6SEO24 · pith_short_8: CXQUPF27

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/CXQUPF27SH6SEO24PAGWGB3Y2L \
  | 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: 15e147975f91fd223b5c780d630778d2d42873fba595a37dc439b76d11e85ca2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d2a56868c6f78ee1872ec50959387bb2a47c2387cd23d8ebd91d2e390ddfb10",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2010-03-31T11:36:16Z",
    "title_canon_sha256": "051ce4e45c0d4807b1576314b4c6958a5b029efacafddf6997a954e3101ed427"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.6025",
    "kind": "arxiv",
    "version": 1
  }
}