Pith Number

pith:GFACWGOC

pith:2009:GFACWGOC3HZ4V356Y5ZCDUD3KD

not attested not anchored not stored refs pending

Magnetic Field Topology in Low-Mass Stars: Spectropolarimetric Observations of M Dwarfs

2), (2) HCMIU-Vietnam National University, (3) Obs. Midi-Pyrenees, (4) Rice University, (5) CAB, 6) ((1) Academia Sinica IAA, (6) University of Central Florida), C. M. Johns-Krull (4), CSIC-INTA, E. L. Martin (5, J.-F. Donati (3), J. Lim (1), N. Phan-Bao (1

arxiv:0909.2355 v1 · 2009-09-13 · 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{GFACWGOC3HZ4V356Y5ZCDUD3KD}

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	2026-05-18T02:34:30.272851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31402b19c2d9f3caefbec77221d07b50d9a3387ac91dd67db98d9794a77f125c

Aliases

arxiv: 0909.2355 · arxiv_version: 0909.2355v1 · doi: 10.48550/arxiv.0909.2355 · pith_short_12: GFACWGOC3HZ4 · pith_short_16: GFACWGOC3HZ4V356 · pith_short_8: GFACWGOC

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/GFACWGOC3HZ4V356Y5ZCDUD3KD \
  | 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: 31402b19c2d9f3caefbec77221d07b50d9a3387ac91dd67db98d9794a77f125c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "745e2e5dfe82c1230f41ec73a82982363464b16f11d65a65bd6a9050493118e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-13T01:27:29Z",
    "title_canon_sha256": "40df856ea693eeae9cf7ebda039b1bdd1a4dd86b700c84f972a8e0f244aac44c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2355",
    "kind": "arxiv",
    "version": 1
  }
}