Pith Number

pith:OQIVSASX

pith:2026:OQIVSASX4NNCZC3SJBCCXRNKUT

not attested not anchored not stored refs pending

A Next-Generation Snow Albedo Parameterization for Climate Modeling using Constrained Machine Learning

Andrew Charbonneau, Katherine Deck, Tapio Schneider

arxiv:2606.05419 v1 · 2026-06-03 · physics.app-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{OQIVSASX4NNCZC3SJBCCXRNKUT}

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	2026-06-05T00:13:57.178219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7411590257e35a2c8b7248442bc5aaa4e0d8e8d9d27730ed1892bee958935adb

Aliases

arxiv: 2606.05419 · arxiv_version: 2606.05419v1 · doi: 10.48550/arxiv.2606.05419 · pith_short_12: OQIVSASX4NNC · pith_short_16: OQIVSASX4NNCZC3S · pith_short_8: OQIVSASX

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/OQIVSASX4NNCZC3SJBCCXRNKUT \
  | 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: 7411590257e35a2c8b7248442bc5aaa4e0d8e8d9d27730ed1892bee958935adb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc176c7c3492bb5ed3caf3c42455f11b45785a13b23e5992a760e35fa4b78abc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2026-06-03T20:36:08Z",
    "title_canon_sha256": "e04ea79c3c38021a92ed45eac61458a2ad9e18a3ebb3449e9caaa6da9d1f337c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05419",
    "kind": "arxiv",
    "version": 1
  }
}