Pith Number

pith:CNMIJWBI

pith:2018:CNMIJWBIS6PNZ2TH7PDIHLVKBS

not attested not anchored not stored refs pending

Efficient parameter estimation for a methane hydrate model with active subspaces

Barbara Wohlmuth, Christian Deusner, Mario Teixeira Parente, Shubhangi Gupta, Steven Mattis

arxiv:1801.09499 v3 · 2018-01-29 · math.NA · cs.NA · math.DS · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNMIJWBIS6PNZ2TH7PDIHLVKBS}

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	2026-06-04T19:11:27.917064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

135884d828979edcea67fbc683aeaa0cb9c11d8d1906a3b155f0659ba4e1ee8b

Aliases

arxiv: 1801.09499 · arxiv_version: 1801.09499v3 · doi: 10.48550/arxiv.1801.09499 · pith_short_12: CNMIJWBIS6PN · pith_short_16: CNMIJWBIS6PNZ2TH · pith_short_8: CNMIJWBI

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/CNMIJWBIS6PNZ2TH7PDIHLVKBS \
  | 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: 135884d828979edcea67fbc683aeaa0cb9c11d8d1906a3b155f0659ba4e1ee8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13ed45cb3ed7936b75ddac9fce63b91a2368f160fcea435f0c710ec5213c1cf7",
    "cross_cats_sorted": [
      "cs.NA",
      "math.DS",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-29T13:41:08Z",
    "title_canon_sha256": "7fc50aee9cb34e28792d7d2073661f27ebfdab73495e6a9b413dcc803eb7757c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09499",
    "kind": "arxiv",
    "version": 3
  }
}