Pith Number

pith:TPAKB7UG

pith:2018:TPAKB7UGSQLQG3XTN5BSUD6AJC

not attested not anchored not stored refs pending

Simple rules govern the patterns of Arctic sea ice melt ponds

B. B. Cael, Dorian S. Abbot, Mary Silber, Predrag Popovi\'c

arxiv:1804.04754 v1 · 2018-04-13 · nlin.PS · physics.ao-ph · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TPAKB7UGSQLQG3XTN5BSUD6AJC}

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	2026-05-18T00:18:35.109205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bc0a0fe869417036ef36f432a0fc048accba776774a00026b29da6389a3e9b3

Aliases

arxiv: 1804.04754 · arxiv_version: 1804.04754v1 · doi: 10.48550/arxiv.1804.04754 · pith_short_12: TPAKB7UGSQLQ · pith_short_16: TPAKB7UGSQLQG3XT · pith_short_8: TPAKB7UG

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/TPAKB7UGSQLQG3XTN5BSUD6AJC \
  | 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: 9bc0a0fe869417036ef36f432a0fc048accba776774a00026b29da6389a3e9b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95aed1fd8b06f4fd5f9cfe701a5de2d33249377049a3266c308f13c7e138ddce",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2018-04-13T00:33:37Z",
    "title_canon_sha256": "7b2db5859b78cbcabeaa13b008f595c248456207d496e7711aea085fa27956ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04754",
    "kind": "arxiv",
    "version": 1
  }
}