Pith Number

pith:DF5DBHFB

pith:2011:DF5DBHFBDCLTJDOGTBQH2L2K3O

not attested not anchored not stored refs pending

Solar activity and Svalbard temperatures

Jan-Erik Solheim, Kjell Stordahl, Ole Humlum

arxiv:1112.3256 v1 · 2011-12-14 · astro-ph.EP · physics.ao-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{DF5DBHFBDCLTJDOGTBQH2L2K3O}

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	2026-05-18T04:06:19.652527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

197a309ca11897348dc698607d2f4adbb0985dc82d83817d9ef973db4e48f8da

Aliases

arxiv: 1112.3256 · arxiv_version: 1112.3256v1 · doi: 10.48550/arxiv.1112.3256 · pith_short_12: DF5DBHFBDCLT · pith_short_16: DF5DBHFBDCLTJDOG · pith_short_8: DF5DBHFB

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/DF5DBHFBDCLTJDOGTBQH2L2K3O \
  | 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: 197a309ca11897348dc698607d2f4adbb0985dc82d83817d9ef973db4e48f8da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f4a8e4653200df94e8f39ffdbe830f2aa7a995f3cfe89357004b743dee35c3d",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-12-14T15:53:48Z",
    "title_canon_sha256": "12ed6b6b3dc80820eeb889e378d3e381f947fcf3dbbf1320323ffeb895318961"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3256",
    "kind": "arxiv",
    "version": 1
  }
}