Pith Number

pith:BKWSBNIL

pith:2014:BKWSBNILVEURVNNJLAQPKTI3FZ

not attested not anchored not stored refs pending

On deformations of the spectrum of a Finsler--Laplacian that preserve the length spectrum

Thomas Barthelm\'e

arxiv:1410.1069 v2 · 2014-10-04 · math.DG · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKWSBNILVEURVNNJLAQPKTI3FZ}

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	2026-05-18T01:41:52.541077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0aad20b50ba9291ab5a95820f54d1b2e690d5148f97bbfdd8d9d01e4d6eec3a2

Aliases

arxiv: 1410.1069 · arxiv_version: 1410.1069v2 · doi: 10.48550/arxiv.1410.1069 · pith_short_12: BKWSBNILVEUR · pith_short_16: BKWSBNILVEURVNNJ · pith_short_8: BKWSBNIL

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/BKWSBNILVEURVNNJLAQPKTI3FZ \
  | 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: 0aad20b50ba9291ab5a95820f54d1b2e690d5148f97bbfdd8d9d01e4d6eec3a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fded24c5a27db0ed3b3b7b93bf1cfcbee417ab8d9855c23dfab1ed4adcac1d9",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-10-04T17:43:26Z",
    "title_canon_sha256": "635efbcb4c8bf538d01e01a77dce13eb4aebe33806ab4dd56614cc9161eb772b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.1069",
    "kind": "arxiv",
    "version": 2
  }
}