Pith Number

pith:Q3VJE7LX

pith:2019:Q3VJE7LX6N257KAJPPRYWHDKCN

not attested not anchored not stored refs pending

Probabilistic Forecasting of the Arctic Sea Ice Edge with Contour Modeling

Adrian E. Raftery, Cecilia M. Bitz, Hannah M. Director

arxiv:1908.09377 v3 · 2019-08-25 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q3VJE7LX6N257KAJPPRYWHDKCN}

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	2026-07-05T01:09:00.520476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86ea927d77f375dfa8097be38b1c6a136aeb31dfa44949b1b9936958a1eaecc3

Aliases

arxiv: 1908.09377 · arxiv_version: 1908.09377v3 · doi: 10.48550/arxiv.1908.09377 · pith_short_12: Q3VJE7LX6N25 · pith_short_16: Q3VJE7LX6N257KAJ · pith_short_8: Q3VJE7LX

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/Q3VJE7LX6N257KAJPPRYWHDKCN \
  | 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: 86ea927d77f375dfa8097be38b1c6a136aeb31dfa44949b1b9936958a1eaecc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e854a54eea0ec115698d2ddd28bb9b40fb69c47ff3b69cde02d167d32b228263",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-08-25T19:20:47Z",
    "title_canon_sha256": "0b341d01b2b39901ad0b47c686703b43dc445ab904a154c36912426246119a1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09377",
    "kind": "arxiv",
    "version": 3
  }
}