Pith Number

pith:B5UMTUKD

pith:2009:B5UMTUKDDCNTQY6XNLOZSSL5MN

not attested not anchored not stored refs pending

Surface magnetic fields on two accreting T Tauri stars: CV Cha and CR Cha

A. Collier Cameron, B.D. Carter, C. Dougados, G. A. J. Hussain, G. Aulanier, H.C. Stempels, J. Bouvier, J.-F. Donati, J. Ferreira, J. Ramirez Velez, M. M. Jardine, M. Semel, N. Dunstone, T. Harries, W.A. Lawson

arxiv:0905.0914 v1 · 2009-05-06 · 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{B5UMTUKDDCNTQY6XNLOZSSL5MN}

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	2026-05-18T02:13:46.969467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f68c9d143189b3863d76add99497d6351fb35d607d665d9921de0e1ef1e1708

Aliases

arxiv: 0905.0914 · arxiv_version: 0905.0914v1 · doi: 10.48550/arxiv.0905.0914 · pith_short_12: B5UMTUKDDCNT · pith_short_16: B5UMTUKDDCNTQY6X · pith_short_8: B5UMTUKD

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/B5UMTUKDDCNTQY6XNLOZSSL5MN \
  | 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: 0f68c9d143189b3863d76add99497d6351fb35d607d665d9921de0e1ef1e1708

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e507e1b36b3f1af62fc151317796a360d1e25d20cd359bf3b80aabd37a858a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-05-06T20:18:56Z",
    "title_canon_sha256": "bc6498ccfec098e6759a01f8fba978ef7fd7aa483d7ba07b1aee288afd239a9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0914",
    "kind": "arxiv",
    "version": 1
  }
}