Pith Number

pith:4EWC47V4

pith:2019:4EWC47V4MHKOSRPL6BGXTA7255

not attested not anchored not stored refs pending

J-holomorphic curves and Dirac-harmonic maps

M. J. D. Hamilton

arxiv:1908.02275 v2 · 2019-08-06 · math.DG · math-ph · math.MP · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4EWC47V4MHKOSRPL6BGXTA7255}

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	2026-07-05T00:29:20.337528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e12c2e7ebc61d4e945ebf04d7983faef5db2c4452fd0968e810a8a78fc909441

Aliases

arxiv: 1908.02275 · arxiv_version: 1908.02275v2 · doi: 10.48550/arxiv.1908.02275 · pith_short_12: 4EWC47V4MHKO · pith_short_16: 4EWC47V4MHKOSRPL · pith_short_8: 4EWC47V4

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/4EWC47V4MHKOSRPL6BGXTA7255 \
  | 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: e12c2e7ebc61d4e945ebf04d7983faef5db2c4452fd0968e810a8a78fc909441

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4c5e0fadd926625f7aae6d289dedd930217a08ab5712b2f5db994b0090a1fbe",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-08-06T17:52:19Z",
    "title_canon_sha256": "af10fb3c8478d0778fbe3a2e964caa867ce058249216dafda88eba091d4c5b8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02275",
    "kind": "arxiv",
    "version": 2
  }
}