Pith Number

pith:LFDIL2RR

pith:2013:LFDIL2RRKEYT44WOAKNWUQVXOW

not attested not anchored not stored refs pending

Variational orthogonalization

Edwin Langmann, Farrokh Atai, Jens Hoppe, Mariusz Hynek

arxiv:1307.4010 v1 · 2013-07-15 · math-ph · hep-th · 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{LFDIL2RRKEYT44WOAKNWUQVXOW}

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	2026-05-18T03:18:27.212909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

594685ea3151313e72ce029b6a42b7759299cd3d5bf09f3864257e069fa79f15

Aliases

arxiv: 1307.4010 · arxiv_version: 1307.4010v1 · doi: 10.48550/arxiv.1307.4010 · pith_short_12: LFDIL2RRKEYT · pith_short_16: LFDIL2RRKEYT44WO · pith_short_8: LFDIL2RR

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/LFDIL2RRKEYT44WOAKNWUQVXOW \
  | 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: 594685ea3151313e72ce029b6a42b7759299cd3d5bf09f3864257e069fa79f15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd00139a84115804b47061d713713ea902e29d48d4a9d1bab22d915036fe7613",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-07-15T16:25:20Z",
    "title_canon_sha256": "f3c67b9db1318a1c9acea43e05eaf2669ab107aa21856079e45bd63e9f32bacf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4010",
    "kind": "arxiv",
    "version": 1
  }
}