Pith Number

pith:LQVO3IPU

pith:2022:LQVO3IPUKIGVYVHK2DZPUWXB4B

not attested not anchored not stored refs pending

Rigidity of projective symmetric manifolds of Picard number 1 associated to composition algebras

Baohua Fu, Qifeng Li, Yifei Chen

arxiv:2212.02799 v3 · 2022-12-06 · 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{LQVO3IPUKIGVYVHK2DZPUWXB4B}

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	2026-05-20T14:03:16.136637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c2aeda1f4520d5c54ead0f2fa5ae1e04f19661e0ed02ae4e3cc36eb03a3f057

Aliases

arxiv: 2212.02799 · arxiv_version: 2212.02799v3 · doi: 10.48550/arxiv.2212.02799 · pith_short_12: LQVO3IPUKIGV · pith_short_16: LQVO3IPUKIGVYVHK · pith_short_8: LQVO3IPU

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/LQVO3IPUKIGVYVHK2DZPUWXB4B \
  | 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: 5c2aeda1f4520d5c54ead0f2fa5ae1e04f19661e0ed02ae4e3cc36eb03a3f057

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce9652a4714e1eb5788375c80b8a2ae99b8bed362adf5c67382c402d530c2909",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2022-12-06T07:32:07Z",
    "title_canon_sha256": "639ebec90c9d0a5e388bae196d73757bb4e4e2db1b57432323f3d33d2fbeae54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.02799",
    "kind": "arxiv",
    "version": 3
  }
}