Pith Number

pith:JPDRPUSL

pith:2020:JPDRPUSLFO74LSZX7NFHZBWEFF

not attested not anchored not stored refs pending

Murphy's law for toric vector bundles on smooth projective toric varieties

Bernt Ivar Utst{\o}l N{\o}dland

arxiv:2002.00609 v1 · 2020-02-03 · 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{JPDRPUSLFO74LSZX7NFHZBWEFF}

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

Universality for tropical and logarithmic maps

Receipt and verification

First computed	2026-07-05T00:37:55.828883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bc717d24b2bbfc5cb37fb4a7c86c4294035cc1aa476ceddba893692af47752d

Aliases

arxiv: 2002.00609 · arxiv_version: 2002.00609v1 · doi: 10.48550/arxiv.2002.00609 · pith_short_12: JPDRPUSLFO74 · pith_short_16: JPDRPUSLFO74LSZX · pith_short_8: JPDRPUSL

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/JPDRPUSLFO74LSZX7NFHZBWEFF \
  | 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: 4bc717d24b2bbfc5cb37fb4a7c86c4294035cc1aa476ceddba893692af47752d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1f12b0886561a4691cf8c49360e3d440ce56f0e96d754b92a328895a5e766a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-02-03T09:04:41Z",
    "title_canon_sha256": "bac7a67a649dc8ab96d3916e80466f418b3888e6963e3f47727675cee5a993ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.00609",
    "kind": "arxiv",
    "version": 1
  }
}