Pith Number

pith:U3EDHCNS

pith:2017:U3EDHCNSD6HY3FQOZWX4276T4M

not attested not anchored not stored refs pending

A History Matching Approach for Calibrating Hydrological Models

Abhyuday Mandal, Ernest W. Tollner, Natalia V. Bhattacharjee, Pritam Ranjan

arxiv:1709.02907 v3 · 2017-09-09 · stat.AP · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3EDHCNSD6HY3FQOZWX4276T4M}

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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	2026-05-17T23:50:34.393679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6c83389b21f8f8d960ecdafcd7fd3e3111aa25c0f8d74951aa88abd899bb5de

Aliases

arxiv: 1709.02907 · arxiv_version: 1709.02907v3 · doi: 10.48550/arxiv.1709.02907 · pith_short_12: U3EDHCNSD6HY · pith_short_16: U3EDHCNSD6HY3FQO · pith_short_8: U3EDHCNS

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/U3EDHCNSD6HY3FQOZWX4276T4M \
  | 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: a6c83389b21f8f8d960ecdafcd7fd3e3111aa25c0f8d74951aa88abd899bb5de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f5cbeb1a17f1196c5142d18db78c6fa6ff9eb6bd73ebf9ec31cb7463b1e9176",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2017-09-09T04:31:17Z",
    "title_canon_sha256": "57bc658d65db169395672eb5ee0dfb288fe014d2110306e1f6d0078317dc3efd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02907",
    "kind": "arxiv",
    "version": 3
  }
}