Pith Number

pith:LDKYI3C3

pith:2018:LDKYI3C3Q6Z4DCUE5TISWBMCM2

not attested not anchored not stored refs pending

Harmonic maps and twistorial structures

E. Loubeau, G. Deschamps, R. Pantilie

arxiv:1804.05423 v2 · 2018-04-15 · math.DG · 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{LDKYI3C3Q6Z4DCUE5TISWBMCM2}

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	2026-05-18T00:16:58.918713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58d5846c5b87b3c18a84ecd12b058266937e6f343f8045d48abaa7c2553a3dd5

Aliases

arxiv: 1804.05423 · arxiv_version: 1804.05423v2 · doi: 10.48550/arxiv.1804.05423 · pith_short_12: LDKYI3C3Q6Z4 · pith_short_16: LDKYI3C3Q6Z4DCUE · pith_short_8: LDKYI3C3

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/LDKYI3C3Q6Z4DCUE5TISWBMCM2 \
  | 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: 58d5846c5b87b3c18a84ecd12b058266937e6f343f8045d48abaa7c2553a3dd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61a3dff0e5b2bd5727e495f83b4616b16115ceea4827c8cfc71e36c611408d5c",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-04-15T20:41:47Z",
    "title_canon_sha256": "ae778858db03045c4ba01ccb1741a9e3939e5298e10b9512500731d5306087ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05423",
    "kind": "arxiv",
    "version": 2
  }
}