Pith Number

pith:O4KVPADV

pith:2012:O4KVPADV6UGRPS7FLYDTZSC74Q

not attested not anchored not stored refs pending

Constant curvature solutions of Grassmannian sigma models: (2) Non-holomorphic solutions

Laurent Delisle, V\'eronique Hussin, Wojtek J. Zakrzewski

arxiv:1210.5864 v2 · 2012-10-22 · math-ph · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4KVPADV6UGRPS7FLYDTZSC74Q}

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	2026-05-18T01:53:45.083594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7715578075f50d17cbe55e073cc85fe424cb374f18ea026eec2ce761a0e1da3b

Aliases

arxiv: 1210.5864 · arxiv_version: 1210.5864v2 · doi: 10.48550/arxiv.1210.5864 · pith_short_12: O4KVPADV6UGR · pith_short_16: O4KVPADV6UGRPS7F · pith_short_8: O4KVPADV

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/O4KVPADV6UGRPS7FLYDTZSC74Q \
  | 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: 7715578075f50d17cbe55e073cc85fe424cb374f18ea026eec2ce761a0e1da3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e522cddd031fec5095ec1fd1f7fbc4addc5ef4f6dca33a86d72b9e69757b797",
    "cross_cats_sorted": [
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-10-22T10:46:40Z",
    "title_canon_sha256": "2e1b7448b5d0146a69ed2f3ba7051a4cdbfc3818f00cdfd9b203219b5aa4f49d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5864",
    "kind": "arxiv",
    "version": 2
  }
}