Pith Number

pith:4IFANWUU

pith:2012:4IFANWUUMYB7YVG3ZEXNBUQ2UI

not attested not anchored not stored refs pending

Magnetohydrodynamics of the Weakly Ionized Solar Photosphere

Mark C. M. Cheung, Robert H. Cameron

arxiv:1202.1937 v1 · 2012-02-09 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4IFANWUUMYB7YVG3ZEXNBUQ2UI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:58:31.868423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e20a06da946603fc54dbc92ed0d21aa2258cccabd5f9c520396e420f198497fc

Aliases

arxiv: 1202.1937 · arxiv_version: 1202.1937v1 · doi: 10.48550/arxiv.1202.1937 · pith_short_12: 4IFANWUUMYB7 · pith_short_16: 4IFANWUUMYB7YVG3 · pith_short_8: 4IFANWUU

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/4IFANWUUMYB7YVG3ZEXNBUQ2UI \
  | 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: e20a06da946603fc54dbc92ed0d21aa2258cccabd5f9c520396e420f198497fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0b661e734d71136ce6ccc8fc4e8e53cbd6b0b69e6bb619ca44bf135164414a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-09T10:26:33Z",
    "title_canon_sha256": "a73acfbbe3fecc87c6267bee715385cd2fd44ce16b199d9addfa1f7b8e6cecea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1937",
    "kind": "arxiv",
    "version": 1
  }
}