Pith Number

pith:JEODEIMJ

pith:2018:JEODEIMJPKSCGB45L36VQDCH3O

not attested not anchored not stored refs pending

Multiparametric shell eigenvalue problems

Harri Hakula, Mikael Laaksonen

arxiv:1803.03854 v2 · 2018-03-10 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JEODEIMJPKSCGB45L36VQDCH3O}

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	2026-05-18T00:20:51.558864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

491c3221897aa423079d5efd580c47db85c28664017ec86452c0e94d1eb1dbf5

Aliases

arxiv: 1803.03854 · arxiv_version: 1803.03854v2 · doi: 10.48550/arxiv.1803.03854 · pith_short_12: JEODEIMJPKSC · pith_short_16: JEODEIMJPKSCGB45 · pith_short_8: JEODEIMJ

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/JEODEIMJPKSCGB45L36VQDCH3O \
  | 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: 491c3221897aa423079d5efd580c47db85c28664017ec86452c0e94d1eb1dbf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b7c2a43f3a2755cb0f14042e28adb0c2ef0356645c75246b6516136ae339aaf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-10T19:02:50Z",
    "title_canon_sha256": "2cc469cf1557b56fd946923c612371b1c12c2a0149f90d2f58ad78b5bdd1bacc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03854",
    "kind": "arxiv",
    "version": 2
  }
}