Pith Number

pith:MCD7E34W

pith:2021:MCD7E34W5RJRZPZNGC5Q44E7ST

not attested not anchored not stored refs pending

Improvement of Flood Extent Representation with Remote Sensing Data and Data Assimilation

Andrea Piacentini, Anth\'ea Delmotte, Christophe Fatras, Emeric Lavergne, Peter Kettig, Sophie Ricci, Thanh Huy Nguyen

arxiv:2109.08487 v2 · 2021-09-17 · eess.IV · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MCD7E34W5RJRZPZNGC5Q44E7ST}

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	2026-07-05T03:54:02.536077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6087f26f96ec531cbf2d30bb0e709f94c279597d80efa32e65a1fb7b6faf1fb6

Aliases

arxiv: 2109.08487 · arxiv_version: 2109.08487v2 · doi: 10.48550/arxiv.2109.08487 · pith_short_12: MCD7E34W5RJR · pith_short_16: MCD7E34W5RJRZPZN · pith_short_8: MCD7E34W

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/MCD7E34W5RJRZPZNGC5Q44E7ST \
  | 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: 6087f26f96ec531cbf2d30bb0e709f94c279597d80efa32e65a1fb7b6faf1fb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45d23e76445aab282c881a23de1512b7ebaf9d23d9a3dd564bb95b4e363b8d26",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-09-17T12:03:25Z",
    "title_canon_sha256": "0b7794d1ac94f1d4e16056800a040cab4253152a0cc15c4b44c98a57d18c7f45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.08487",
    "kind": "arxiv",
    "version": 2
  }
}