Pith Number

pith:ZPMDBGWN

pith:2023:ZPMDBGWNHD3SOCB4HMFMJLYKCZ

not attested not anchored not stored refs pending

From partial data to out-of-sample parameter and observation estimation with Diffusion Maps and Geometric Harmonics

Andreas G. Boudouvis, Eleni D. Koronaki, Ioannis G. Kevrekidis, Nikolaos Evangelou, Yorgos M. Psarellis

arxiv:2301.11728 v1 · 2023-01-27 · math.NA · cs.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{ZPMDBGWNHD3SOCB4HMFMJLYKCZ}

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	2026-07-05T07:02:48.360048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbd8309acd38f727083c3b0ac4af0a16746cf31d5ebdd91b3371e9d5e3937621

Aliases

arxiv: 2301.11728 · arxiv_version: 2301.11728v1 · doi: 10.48550/arxiv.2301.11728 · pith_short_12: ZPMDBGWNHD3S · pith_short_16: ZPMDBGWNHD3SOCB4 · pith_short_8: ZPMDBGWN

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/ZPMDBGWNHD3SOCB4HMFMJLYKCZ \
  | 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: cbd8309acd38f727083c3b0ac4af0a16746cf31d5ebdd91b3371e9d5e3937621

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1931baefe88c4492cf3b018298315912d1db50627bfff50a1026a142edc3a69b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-01-27T14:11:49Z",
    "title_canon_sha256": "625d35f79f1ed845b9fc6a9258db5aa9fb4cb29f02d46af9791d794ded555937"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.11728",
    "kind": "arxiv",
    "version": 1
  }
}