Pith Number

pith:BQT5CSNJ

pith:2014:BQT5CSNJVHB5J2KTGB6YBJTDMG

not attested not anchored not stored refs pending

Zeta-invariants of the Steklov spectrum for a planar domain

Evgeny Malkovich, Vladimir Sharafutdinov

arxiv:1404.2117 v1 · 2014-04-08 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQT5CSNJVHB5J2KTGB6YBJTDMG}

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	2026-05-18T02:54:38.518771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c27d149a9a9c3d4e953307d80a66361b45ec5cd6332c4e832ad736f1bc65303

Aliases

arxiv: 1404.2117 · arxiv_version: 1404.2117v1 · doi: 10.48550/arxiv.1404.2117 · pith_short_12: BQT5CSNJVHB5 · pith_short_16: BQT5CSNJVHB5J2KT · pith_short_8: BQT5CSNJ

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/BQT5CSNJVHB5J2KTGB6YBJTDMG \
  | 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: 0c27d149a9a9c3d4e953307d80a66361b45ec5cd6332c4e832ad736f1bc65303

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4fefb6b0da2967a86bb71d812ffdcfe9d2c611cf0c7b3d9e8ed7bce6abef7be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-04-08T13:18:34Z",
    "title_canon_sha256": "0657febe4b14568f6ae869a7661b67ae33063e5d805967e9963ca6bfb6f3fe81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2117",
    "kind": "arxiv",
    "version": 1
  }
}