Pith Number

pith:Y7XJVSEJ

pith:2013:Y7XJVSEJBA2VS7WKZ6ZMTPHC7K

not attested not anchored not stored refs pending

Frechet Borel Ideals with Borel orthogonal

Carlos Uzcategui, Francisco Guevara

arxiv:1312.4095 v2 · 2013-12-15 · math.LO · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y7XJVSEJBA2VS7WKZ6ZMTPHC7K}

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	2026-05-18T00:51:05.710471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7ee9ac8890835597ecacfb2c9bce2faa10a03e408300a81803b8d38ba1d92e3

Aliases

arxiv: 1312.4095 · arxiv_version: 1312.4095v2 · doi: 10.48550/arxiv.1312.4095 · pith_short_12: Y7XJVSEJBA2V · pith_short_16: Y7XJVSEJBA2VS7WK · pith_short_8: Y7XJVSEJ

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/Y7XJVSEJBA2VS7WKZ6ZMTPHC7K \
  | 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: c7ee9ac8890835597ecacfb2c9bce2faa10a03e408300a81803b8d38ba1d92e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb1e9ca7deb9c66bd13e4b4d0dd166b353a27f21faf48609aa4dcb5a48dca9cf",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-12-15T00:37:17Z",
    "title_canon_sha256": "5290f896552aefb2d3edf08c1b9715730e2ff44c5b4091599a7557fc47276b4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4095",
    "kind": "arxiv",
    "version": 2
  }
}