Pith Number

pith:6GPUSWSL

pith:2008:6GPUSWSLZNQ5QK57KBM5Q7A35P

not attested not anchored not stored refs pending

Some global minimizers of a symplectic Dirichlet energy

J.M. Speight, M. Svensson

arxiv:0804.4385 v2 · 2008-04-28 · math.DG · hep-th · math-ph · 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{6GPUSWSLZNQ5QK57KBM5Q7A35P}

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	2026-05-18T02:37:59.146974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f19f495a4bcb61d82bbf5059d87c1bebc6e55cb827092bc0bc194f5afa818de5

Aliases

arxiv: 0804.4385 · arxiv_version: 0804.4385v2 · doi: 10.48550/arxiv.0804.4385 · pith_short_12: 6GPUSWSLZNQ5 · pith_short_16: 6GPUSWSLZNQ5QK57 · pith_short_8: 6GPUSWSL

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/6GPUSWSLZNQ5QK57KBM5Q7A35P \
  | 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: f19f495a4bcb61d82bbf5059d87c1bebc6e55cb827092bc0bc194f5afa818de5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6fde1cacb6f4b0727724127878d218808c23e773532d966c66eef2732af7e85",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2008-04-28T12:22:09Z",
    "title_canon_sha256": "aa754d11e14144e35f8e7bbcb965ef8a6d3824194b34e35bb7e726a80879386f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.4385",
    "kind": "arxiv",
    "version": 2
  }
}