Pith Number

pith:P2OVIP2Z

pith:2018:P2OVIP2ZZL55YSH7NX7ET6I3UV

not attested not anchored not stored refs pending

Geographical Hidden Markov Tree for Flood Extent Mapping (With Proof Appendix)

Arpan Man Sainju, Miao Xie, Zhe Jiang

arxiv:1805.09757 v1 · 2018-05-24 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2OVIP2ZZL55YSH7NX7ET6I3UV}

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	2026-05-18T00:15:02.914930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e9d543f59cafbdc48ff6dfe49f91ba56fc3d8f7f52641229374475adeafddd9

Aliases

arxiv: 1805.09757 · arxiv_version: 1805.09757v1 · doi: 10.48550/arxiv.1805.09757 · pith_short_12: P2OVIP2ZZL55 · pith_short_16: P2OVIP2ZZL55YSH7 · pith_short_8: P2OVIP2Z

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/P2OVIP2ZZL55YSH7NX7ET6I3UV \
  | 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: 7e9d543f59cafbdc48ff6dfe49f91ba56fc3d8f7f52641229374475adeafddd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "455f7efae0d60d88fb7735f60009ec21689e36d7072b34c8cca121a65caa23d9",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-05-24T16:21:11Z",
    "title_canon_sha256": "1b44c6dfad98c5579a704f13a3172b40999a1d4db0b5229d4ab612a2b0e82d35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09757",
    "kind": "arxiv",
    "version": 1
  }
}