Pith Number

pith:RRREDUIP

pith:2022:RRREDUIPFQHFJQYK4A3AGVGPGT

not attested not anchored not stored refs pending

Enhancing Flood Forecasting with Dual State-Parameter Estimation and Ensemble-based SAR Data Assimilation

Andrea Piacentini, Gwendoline Blanchet, Peter Kettig, Raquel Rodriguez Suquet, Santiago Pena Luque, Sophie Ricci, Thanh Huy Nguyen

arxiv:2211.07272 v1 · 2022-11-14 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RRREDUIPFQHFJQYK4A3AGVGPGT}

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	2026-07-05T06:12:39.016250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c6241d10f2c0e54c30ae0360354cf34ed72bbc5f333958b4aa669dce82bae48

Aliases

arxiv: 2211.07272 · arxiv_version: 2211.07272v1 · doi: 10.48550/arxiv.2211.07272 · pith_short_12: RRREDUIPFQHF · pith_short_16: RRREDUIPFQHFJQYK · pith_short_8: RRREDUIP

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/RRREDUIPFQHFJQYK4A3AGVGPGT \
  | 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: 8c6241d10f2c0e54c30ae0360354cf34ed72bbc5f333958b4aa669dce82bae48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5aba9d4330ab68f5d3c461b906226f492b10f4184999d86bace4c763e42cb408",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-11-14T11:04:19Z",
    "title_canon_sha256": "ec7f4d09cc18561733d8d75349cffd9bec80a9dc6b942dd8e5553a9fcea4ac5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.07272",
    "kind": "arxiv",
    "version": 1
  }
}