Pith Number

pith:DCOIWBRD

pith:2016:DCOIWBRDPWSMNIQPJPXG522MW5

not attested not anchored not stored refs pending

Representable Chow classes of a product of projective spaces

Binglin Li, Federico Castillo, Naizhen Zhang

arxiv:1612.00154 v2 · 2016-12-01 · math.AG · 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{DCOIWBRDPWSMNIQPJPXG522MW5}

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.

Cited by

1 paper in Pith

A numerical toolkit for multiprojective varieties

Receipt and verification

First computed	2026-07-05T01:03:37.100537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

189c8b06237da4c6a20f4bee6eeb4cb74a8a5d670aa9666ed93638fdf003e52c

Aliases

arxiv: 1612.00154 · arxiv_version: 1612.00154v2 · doi: 10.48550/arxiv.1612.00154 · pith_short_12: DCOIWBRDPWSM · pith_short_16: DCOIWBRDPWSMNIQP · pith_short_8: DCOIWBRD

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/DCOIWBRDPWSMNIQPJPXG522MW5 \
  | 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: 189c8b06237da4c6a20f4bee6eeb4cb74a8a5d670aa9666ed93638fdf003e52c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dd0a8e2965a0bcb5bb84de1d9f60252fa2f1fb39d396417cf457ea68816674e",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-12-01T05:59:52Z",
    "title_canon_sha256": "d305fb8c2496f73c8a3f485b2bfc754efcf42f51f235089a8ed0003dd265c170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00154",
    "kind": "arxiv",
    "version": 2
  }
}