Pith Number

pith:OKDMIM3N

pith:2009:OKDMIM3NCUTR4LC22XC6OWCW7D

not attested not anchored not stored refs pending

Building blocks of etale endomorphisms of complex projective manifolds

De-Qi Zhang, Noboru Nakayama

arxiv:0903.3729 v1 · 2009-03-22 · 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{OKDMIM3NCUTR4LC22XC6OWCW7D}

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	2026-05-18T00:05:15.151738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7286c4336d15271e2c5ad5c5e75856f8df72e3d7406aa6c0907b1c7befbb0e02

Aliases

arxiv: 0903.3729 · arxiv_version: 0903.3729v1 · doi: 10.48550/arxiv.0903.3729 · pith_short_12: OKDMIM3NCUTR · pith_short_16: OKDMIM3NCUTR4LC2 · pith_short_8: OKDMIM3N

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/OKDMIM3NCUTR4LC22XC6OWCW7D \
  | 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: 7286c4336d15271e2c5ad5c5e75856f8df72e3d7406aa6c0907b1c7befbb0e02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a87e8943c26da48b7021eb7745aeb4221b86884f2bb08275de50dbe965fe2da",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2009-03-22T15:22:02Z",
    "title_canon_sha256": "e29545dcc0bbb1563b5fdaf015943eecb1f51d016b402b2e134c31f732b0fe9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3729",
    "kind": "arxiv",
    "version": 1
  }
}