Pith Number

pith:RRDVXDH3

pith:2011:RRDVXDH3VVJMBSCXQNKE4V5EI5

not attested not anchored not stored refs pending

On Asymmetry of Magnetic Helicity in Emerging Active Regions: High Resolution Observations

Chunming Zhu, David Alexander, Lirong Tian, Pascal D\'emoulin

arxiv:1101.1068 v1 · 2011-01-05 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RRDVXDH3VVJMBSCXQNKE4V5EI5}

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	2026-05-18T02:04:12.703930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c475b8cfbad52c0c85783544e57a447720fd7f519995d1941201675fb2a00d6

Aliases

arxiv: 1101.1068 · arxiv_version: 1101.1068v1 · doi: 10.48550/arxiv.1101.1068 · pith_short_12: RRDVXDH3VVJM · pith_short_16: RRDVXDH3VVJMBSCX · pith_short_8: RRDVXDH3

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/RRDVXDH3VVJMBSCXQNKE4V5EI5 \
  | 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: 8c475b8cfbad52c0c85783544e57a447720fd7f519995d1941201675fb2a00d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "960d0f78dfc995c4d451b83b822c75df9c4ccbb8ed51c079da9fb2b1625146e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-05T20:13:57Z",
    "title_canon_sha256": "ede547cf57b6c8e5d07981a11ad48065e22adf297ae5710d31dca0f3f12dd619"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1068",
    "kind": "arxiv",
    "version": 1
  }
}