Pith Number

pith:6J5UNPFJ

pith:2013:6J5UNPFJLUBYHBKHVVK5X6XTEW

not attested not anchored not stored refs pending

Spectral geometry with a cut-off: topological and metric aspects

Fedele Lizzi, Francesco D'Andrea, Pierre Martinetti

arxiv:1305.2605 v3 · 2013-05-12 · math-ph · hep-th · math.MP · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6J5UNPFJLUBYHBKHVVK5X6XTEW}

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	2026-05-18T02:54:12.759125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f27b46bca95d03838547ad55dbfaf3259afb2db772fc12c7afee52f45f3eb3d7

Aliases

arxiv: 1305.2605 · arxiv_version: 1305.2605v3 · doi: 10.48550/arxiv.1305.2605 · pith_short_12: 6J5UNPFJLUBY · pith_short_16: 6J5UNPFJLUBYHBKH · pith_short_8: 6J5UNPFJ

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/6J5UNPFJLUBYHBKHVVK5X6XTEW \
  | 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: f27b46bca95d03838547ad55dbfaf3259afb2db772fc12c7afee52f45f3eb3d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0ef32037827d7cb60c799f8c697a73ca4a9879f77a7ff18c284d8ae58f82957",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-05-12T17:08:10Z",
    "title_canon_sha256": "caede1281903e31a3d8272994d065d17d4dbdc9001a19f26598167e0b134774d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2605",
    "kind": "arxiv",
    "version": 3
  }
}