Pith Number

pith:7SM3WOXH

pith:2012:7SM3WOXH7F2IICUDMDJSZZRJRE

not attested not anchored not stored refs pending

Evolution of Magnetic Field and Energy in A Major Eruptive Active Region Based on SDO/HMI Observation

J. Todd Hoeksema, Julia Thalmann, Keiji Hayashi, Qingrong Chen, Thomas Wiegelmann, Xudong Sun, Yang Liu

arxiv:1201.3404 v2 · 2012-01-17 · 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{7SM3WOXH7F2IICUDMDJSZZRJRE}

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	2026-05-18T01:11:44.067746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc99bb3ae7f974840a8360d32ce6298907a3ed97ec6e2481f0411dd0ef798f40

Aliases

arxiv: 1201.3404 · arxiv_version: 1201.3404v2 · doi: 10.48550/arxiv.1201.3404 · pith_short_12: 7SM3WOXH7F2I · pith_short_16: 7SM3WOXH7F2IICUD · pith_short_8: 7SM3WOXH

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/7SM3WOXH7F2IICUDMDJSZZRJRE \
  | 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: fc99bb3ae7f974840a8360d32ce6298907a3ed97ec6e2481f0411dd0ef798f40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34025a338cf5fb790292e948265ab51657b9f8cfdad499ef28cb83191ad5ac36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-17T00:21:35Z",
    "title_canon_sha256": "16bb1d8afafd2192480a188b8e559abd5e125a07bd5ac78d090647f5787033e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3404",
    "kind": "arxiv",
    "version": 2
  }
}