Pith Number

pith:L2GZW4IE

pith:2015:L2GZW4IEGLF5S3T7QXHCYUSUXG

not attested not anchored not stored refs pending

Recovery of interior eigenvalues from reduced near field data

Boris Vainberg, Evgeny Lakshtanov

arxiv:1501.03748 v4 · 2015-01-15 · math-ph · math.MP · 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{L2GZW4IEGLF5S3T7QXHCYUSUXG}

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	2026-05-18T00:33:07.459634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e8d9b710432cbd96e7f85ce2c5254b98fa5d0106a8d3cf4148dc58d3ee9f65a

Aliases

arxiv: 1501.03748 · arxiv_version: 1501.03748v4 · doi: 10.48550/arxiv.1501.03748 · pith_short_12: L2GZW4IEGLF5 · pith_short_16: L2GZW4IEGLF5S3T7 · pith_short_8: L2GZW4IE

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/L2GZW4IEGLF5S3T7QXHCYUSUXG \
  | 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: 5e8d9b710432cbd96e7f85ce2c5254b98fa5d0106a8d3cf4148dc58d3ee9f65a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3857563bb71f8eaf83c039e3d151dcb140feb41df8420ad1310c712a57a3c8de",
    "cross_cats_sorted": [
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-01-15T17:25:39Z",
    "title_canon_sha256": "69c66f95e0c16a5deac4f897a7f1dbc15f843b5207edbc120882ac6fa54722ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03748",
    "kind": "arxiv",
    "version": 4
  }
}