Pith Number

pith:NNEIPXUJ

pith:2017:NNEIPXUJYE2OW62ZBWTPMMFYRW

not attested not anchored not stored refs pending

Efficient Evaluation of Ellipsoidal Harmonics for Potential Modeling

Jaydeep P. Bardhan, Matthew G. Knepley, Thomas S. Klotz

arxiv:1708.06028 v2 · 2017-08-20 · 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{NNEIPXUJYE2OW62ZBWTPMMFYRW}

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	2026-05-18T00:36:08.259372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b4887de89c134eb7b590da6f630b88d92c59b27fd70e4e2de9bf20744cd7cdc

Aliases

arxiv: 1708.06028 · arxiv_version: 1708.06028v2 · doi: 10.48550/arxiv.1708.06028 · pith_short_12: NNEIPXUJYE2O · pith_short_16: NNEIPXUJYE2OW62Z · pith_short_8: NNEIPXUJ

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/NNEIPXUJYE2OW62ZBWTPMMFYRW \
  | 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: 6b4887de89c134eb7b590da6f630b88d92c59b27fd70e4e2de9bf20744cd7cdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "067ebccfa8f17136aa1b8f7f3db186e84d2c105c820288826aee731d61096b30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-08-20T22:21:48Z",
    "title_canon_sha256": "f0d968d199e6a2845eca59ac7e67f5f0ddf55c02113ab03a7542437cd134cab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06028",
    "kind": "arxiv",
    "version": 2
  }
}