Pith Number

pith:R7TO6NOF

pith:2013:R7TO6NOF5K6WODLQLFNXQ2KNNS

not attested not anchored not stored refs pending

Isotriviality and the space of morphisms on projective varieties

Alon Levy, Anupam Bhatnagar

arxiv:1303.6646 v2 · 2013-03-26 · math.DS · 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{R7TO6NOF5K6WODLQLFNXQ2KNNS}

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	2026-05-18T03:07:01.931186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fe6ef35c5eabd670d70595b78694d6c9a0954cca1870ced79003f0ea7ebd25b

Aliases

arxiv: 1303.6646 · arxiv_version: 1303.6646v2 · doi: 10.48550/arxiv.1303.6646 · pith_short_12: R7TO6NOF5K6W · pith_short_16: R7TO6NOF5K6WODLQ · pith_short_8: R7TO6NOF

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/R7TO6NOF5K6WODLQLFNXQ2KNNS \
  | 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: 8fe6ef35c5eabd670d70595b78694d6c9a0954cca1870ced79003f0ea7ebd25b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc38c93e5c5c628f6376b93f0ffceb3460a8e3f17c36cbeade05bc82c50bd456",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-03-26T20:07:03Z",
    "title_canon_sha256": "0677b15dd68225fbb733573987d61132d703d895a7021f5bf21f8918eecb1543"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6646",
    "kind": "arxiv",
    "version": 2
  }
}