Pith Number

pith:5CSXMHQS

pith:2012:5CSXMHQSO3PVXDF4FQGV45KVAT

not attested not anchored not stored refs pending

Computable Hilbert Schemes

Paolo Lella

arxiv:1202.4384 v1 · 2012-02-20 · math.AG · cs.MS · cs.SC · math.AC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5CSXMHQSO3PVXDF4FQGV45KVAT}

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	2026-05-18T04:01:51.623767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8a5761e1276df5b8cbc2c0d5e755504dc2096768c874b1bdf8cbfaf243671e5

Aliases

arxiv: 1202.4384 · arxiv_version: 1202.4384v1 · doi: 10.48550/arxiv.1202.4384 · pith_short_12: 5CSXMHQSO3PV · pith_short_16: 5CSXMHQSO3PVXDF4 · pith_short_8: 5CSXMHQS

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/5CSXMHQSO3PVXDF4FQGV45KVAT \
  | 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: e8a5761e1276df5b8cbc2c0d5e755504dc2096768c874b1bdf8cbfaf243671e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aff815142916aea76ad7bbaee526e8164b9163a248e5b98d2941e486365337b1",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.SC",
      "math.AC",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-02-20T17:05:30Z",
    "title_canon_sha256": "ec46752e17a14044da1b7efbe968cf44a52bd704a283fbd2a2e67ec6327fdd9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4384",
    "kind": "arxiv",
    "version": 1
  }
}