Pith Number

pith:LBJQUOHK

pith:2013:LBJQUOHKL4MHICHZFACS56VSQQ

not attested not anchored not stored refs pending

Invariant hypersurfaces of endomorphisms of projective varieties

De-Qi Zhang

arxiv:1310.5944 v1 · 2013-10-22 · math.AG · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LBJQUOHKL4MHICHZFACS56VSQQ}

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	2026-05-18T00:05:14.998751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58530a38ea5f187408f928052efab2842e3777ac69557f40d299fa1b19b8ba0a

Aliases

arxiv: 1310.5944 · arxiv_version: 1310.5944v1 · doi: 10.48550/arxiv.1310.5944 · pith_short_12: LBJQUOHKL4MH · pith_short_16: LBJQUOHKL4MHICHZ · pith_short_8: LBJQUOHK

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/LBJQUOHKL4MHICHZFACS56VSQQ \
  | 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: 58530a38ea5f187408f928052efab2842e3777ac69557f40d299fa1b19b8ba0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a3a44f90c5c96ecaf44f788f50d82783d8aee43add67696bbc7cd308714c6e5",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-10-22T15:02:14Z",
    "title_canon_sha256": "686631d407eae59eeaeb157cadc3e1b1b507440ca17761822f92bfe3f1f4aa19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5944",
    "kind": "arxiv",
    "version": 1
  }
}