Pith Number

pith:I73X4BWT

pith:2019:I73X4BWT3D2GTBIZYZHBQJSN5N

not attested not anchored not stored refs pending

Separable nonlinear least-squares parameter estimation for complex dynamic systems

Eberhard O. Voit, Harold Ship, Itai Dattner, Shota Gugushvili

arxiv:1908.03717 v1 · 2019-08-10 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I73X4BWT3D2GTBIZYZHBQJSN5N}

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	2026-07-04T23:53:17.680401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47f77e06d3d8f4698519c64e18264deb529d3c24e73b4538fc8fbe1b35fd1e62

Aliases

arxiv: 1908.03717 · arxiv_version: 1908.03717v1 · doi: 10.48550/arxiv.1908.03717 · pith_short_12: I73X4BWT3D2G · pith_short_16: I73X4BWT3D2GTBIZ · pith_short_8: I73X4BWT

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/I73X4BWT3D2GTBIZYZHBQJSN5N \
  | 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: 47f77e06d3d8f4698519c64e18264deb529d3c24e73b4538fc8fbe1b35fd1e62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dffec8ac44e33b78bdb8548affdb7bf3048210381b235f7b2330331702f0a662",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-08-10T09:22:54Z",
    "title_canon_sha256": "e8759f07dcdfe6ec0517f5188d5d667aa9acea96f822aa4bce8da9a65d6ac6c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03717",
    "kind": "arxiv",
    "version": 1
  }
}