Pith Number

pith:M4MZKL5E

pith:2013:M4MZKL5ELLPSQCWBPRPNO3Y34W

not attested not anchored not stored refs pending

A Nash-Hormander iteration and boundary elements for the Molodensky problem

Adrian Costea, Ernst P. Stephan, Heiko Gimperlein

arxiv:1308.2561 v1 · 2013-08-12 · math.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M4MZKL5ELLPSQCWBPRPNO3Y34W}

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	2026-05-18T02:49:20.281360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6719952fa45adf280ac17c5ed76f1be5a18f3d37c6f079563e20e06e6218c3e2

Aliases

arxiv: 1308.2561 · arxiv_version: 1308.2561v1 · doi: 10.48550/arxiv.1308.2561 · pith_short_12: M4MZKL5ELLPS · pith_short_16: M4MZKL5ELLPSQCWB · pith_short_8: M4MZKL5E

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/M4MZKL5ELLPSQCWBPRPNO3Y34W \
  | 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: 6719952fa45adf280ac17c5ed76f1be5a18f3d37c6f079563e20e06e6218c3e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09447246b8226ea8a062b23803c3a2e734a8eab0e652c04f8fed78f58203b6ed",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-08-12T13:54:00Z",
    "title_canon_sha256": "91edee0ef2aa3f15a7d5db53e3c993355a573519ee83a71b8769e5c3a36bdab6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2561",
    "kind": "arxiv",
    "version": 1
  }
}