Pith Number

pith:7DHV4LG4

pith:2012:7DHV4LG4OJPQ652WPDEGXM6U6C

not attested not anchored not stored refs pending

Magnetometry of the classical T Tauri star GQ Lup: non-stationary dynamos & spin evolution of young Suns

C. Dougados, F. Menard, G. Hussain, J. Bouvier, J. F. Donati, M. M. Jardine, M. M. Romanova, S. G. Gregory, S. H. P. Alencar, the MaPP collaboration

arxiv:1206.1770 v1 · 2012-06-08 · 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{7DHV4LG4OJPQ652WPDEGXM6U6C}

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	2026-05-18T01:57:00.607647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8cf5e2cdc725f0f775678c86bb3d4f096f2e03f6584f187322d267f5548a317

Aliases

arxiv: 1206.1770 · arxiv_version: 1206.1770v1 · doi: 10.48550/arxiv.1206.1770 · pith_short_12: 7DHV4LG4OJPQ · pith_short_16: 7DHV4LG4OJPQ652W · pith_short_8: 7DHV4LG4

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/7DHV4LG4OJPQ652WPDEGXM6U6C \
  | 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: f8cf5e2cdc725f0f775678c86bb3d4f096f2e03f6584f187322d267f5548a317

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c0a6575d42d855909e4824fff8375ba28810d6176a215d1b97eb8a261d1d6c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-06-08T14:15:22Z",
    "title_canon_sha256": "856f0e05d8462d8102e186bf0a316b19d1cb5fd18e75d04803ee9afaa300bc4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1770",
    "kind": "arxiv",
    "version": 1
  }
}