Pith Number

pith:QCRE3K3T

pith:2016:QCRE3K3T4LFLATR4V27DDMGFOD

not attested not anchored not stored refs pending

On Hurwitz--Severi numbers

Boris Shapiro, Yurii Burman

arxiv:1604.06935 v2 · 2016-04-23 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QCRE3K3T4LFLATR4V27DDMGFOD}

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	2026-05-18T01:14:20.291282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80a24dab73e2cab04e3caebe31b0c570d26e73a5eee8b40e978f3a16f0170839

Aliases

arxiv: 1604.06935 · arxiv_version: 1604.06935v2 · doi: 10.48550/arxiv.1604.06935 · pith_short_12: QCRE3K3T4LFL · pith_short_16: QCRE3K3T4LFLATR4 · pith_short_8: QCRE3K3T

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/QCRE3K3T4LFLATR4V27DDMGFOD \
  | 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: 80a24dab73e2cab04e3caebe31b0c570d26e73a5eee8b40e978f3a16f0170839

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c91bc54479982e672a6592e052447ddd2897d7acf927baad1a05ea8a044b7b87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-04-23T18:57:04Z",
    "title_canon_sha256": "b9cb8d1c9aaf997d87c372f47f8d8f060bb9801c9db5f1aee723eafc9858d4d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06935",
    "kind": "arxiv",
    "version": 2
  }
}