Pith Number

pith:DKCZFRR3

pith:2010:DKCZFRR3JNBIEFAFQOS2L3FEG3

not attested not anchored not stored refs pending

Hyperplane section $\mathbb{OP}^2_0$ of the complex Cayley plane as the homogeneous space $\mathrm{F_4/P_4}$

Karel Pazourek, Peter Franek, V\'it Tu\v{c}ek

arxiv:1006.3407 v2 · 2010-06-17 · math.AG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKCZFRR3JNBIEFAFQOS2L3FEG3}

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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	2026-05-18T03:05:55.378433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a8592c63b4b4282140583a5a5eca436cf393ed887dd41653566bed54f037d73

Aliases

arxiv: 1006.3407 · arxiv_version: 1006.3407v2 · doi: 10.48550/arxiv.1006.3407 · pith_short_12: DKCZFRR3JNBI · pith_short_16: DKCZFRR3JNBIEFAF · pith_short_8: DKCZFRR3

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/DKCZFRR3JNBIEFAFQOS2L3FEG3 \
  | 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: 1a8592c63b4b4282140583a5a5eca436cf393ed887dd41653566bed54f037d73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a3692e2dd6f6ebf723394bf81c0670f412eb1147a341020c6df7ab81266c86f",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-06-17T08:51:23Z",
    "title_canon_sha256": "ac9602c045dbeb368178af75a6e8fa2ff0c2c2bfbb6c96350b1eba9a9674fb0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.3407",
    "kind": "arxiv",
    "version": 2
  }
}