Pith Number

pith:ZJ2QW7NB

pith:2014:ZJ2QW7NBGDABGKBZA7MZ3Z36ZM

not attested not anchored not stored refs pending

Reductive locally homogeneous pseudo-Riemannian manifolds and Ambrose-Singer connections

Ignacio Luj\'an

arxiv:1405.0826 v1 · 2014-05-05 · 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{ZJ2QW7NBGDABGKBZA7MZ3Z36ZM}

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	2026-05-18T02:52:40.589494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca750b7da130c013283907d99de77ecb0b2f0ae1c7e2d6de9de445cde20dbbfd

Aliases

arxiv: 1405.0826 · arxiv_version: 1405.0826v1 · doi: 10.48550/arxiv.1405.0826 · pith_short_12: ZJ2QW7NBGDAB · pith_short_16: ZJ2QW7NBGDABGKBZ · pith_short_8: ZJ2QW7NB

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/ZJ2QW7NBGDABGKBZA7MZ3Z36ZM \
  | 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: ca750b7da130c013283907d99de77ecb0b2f0ae1c7e2d6de9de445cde20dbbfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45d86e1fe6c1b8eeb733d39576f52d751462732a1a22e10c332de4ea94e03474",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-05-05T08:51:59Z",
    "title_canon_sha256": "eec07428cc08c33e0e9a419b39d7b24b814487f6a831c81c613b520404c2dd87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0826",
    "kind": "arxiv",
    "version": 1
  }
}