Pith Number

pith:GKPSM6MO

pith:2009:GKPSM6MOB5XI2MECTZZN7T5GVB

not attested not anchored not stored refs pending

Discovery of a weak magnetic field in the photosphere of the single giant Pollux

C. Catala, C. Charbonnel, C.P. Folsom, E. Alecian, G.A. Wade, J.-F. Donati, J. Power, M. Auriere, P. Petit, R. Cabanac, R. Konstantinova-Antova, S. Van Eck, T. Roudier, W. W. Weiss

arxiv:0907.1423 v1 · 2009-07-09 · 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{GKPSM6MOB5XI2MECTZZN7T5GVB}

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	2026-05-18T02:13:04.447027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

329f26798e0f6e8d30829e72dfcfa6a84490b6f3f75227ada86412c0f34d7f01

Aliases

arxiv: 0907.1423 · arxiv_version: 0907.1423v1 · doi: 10.48550/arxiv.0907.1423 · pith_short_12: GKPSM6MOB5XI · pith_short_16: GKPSM6MOB5XI2MEC · pith_short_8: GKPSM6MO

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/GKPSM6MOB5XI2MECTZZN7T5GVB \
  | 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: 329f26798e0f6e8d30829e72dfcfa6a84490b6f3f75227ada86412c0f34d7f01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "466166f410257a8056b5c6190d6c97223b9caa78d00df98af3df88482274a044",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-09T07:48:30Z",
    "title_canon_sha256": "284037fd1f1a54e01d77a12435a47dda8a6e52081ac7191d8f5ba8a82b55cef0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1423",
    "kind": "arxiv",
    "version": 1
  }
}