Pith Number

pith:GJ5BYKBP

pith:2012:GJ5BYKBPTYICS6EMYLMKW5MPGE

not attested not anchored not stored refs pending

Twistor transforms of quaternionic functions and orthogonal complex structures

Caterina Stoppato, Graziano Gentili, Simon Salamon

arxiv:1205.3513 v2 · 2012-05-15 · math.DG · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GJ5BYKBPTYICS6EMYLMKW5MPGE}

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	2026-05-18T01:36:22.370609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

327a1c282f9e1029788cc2d8ab758f3136b6247547298a2c167c857e7e60b628

Aliases

arxiv: 1205.3513 · arxiv_version: 1205.3513v2 · doi: 10.48550/arxiv.1205.3513 · pith_short_12: GJ5BYKBPTYIC · pith_short_16: GJ5BYKBPTYICS6EM · pith_short_8: GJ5BYKBP

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/GJ5BYKBPTYICS6EMYLMKW5MPGE \
  | 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: 327a1c282f9e1029788cc2d8ab758f3136b6247547298a2c167c857e7e60b628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "395178e558a79aa7b59ff068fe8fc78615e0e3499d2627dd66138e6bb2447c68",
    "cross_cats_sorted": [
      "math.AG",
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-05-15T21:00:46Z",
    "title_canon_sha256": "85a8b5f4193dc3cd6ef9da093d83735025d3dadb6d905b823384db4c58ddbbdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3513",
    "kind": "arxiv",
    "version": 2
  }
}