Pith Number

pith:W2NA7AKP

pith:2011:W2NA7AKPFTG6PI2LMSIC334SY5

not attested not anchored not stored refs pending

Implications of the non-detection of X-ray emission from HD 149427

3) ((1) Eberhard Karls Universitaet Tuebingen, Argentina (3) Harvard-Smithsonian CfA, de la Tierra y del Espacio, Gerardo J. M. Luna (2, Germany (2) Instituto de Ciencias Astronomicas, Matthias Stute (1), San Juan, USA)

arxiv:1111.3360 v1 · 2011-11-14 · 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{W2NA7AKPFTG6PI2LMSIC334SY5}

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	2026-05-18T04:08:14.222358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b69a0f814f2ccde7a34b64902def92c7498ba64e65cde05616cd4f475a610dc9

Aliases

arxiv: 1111.3360 · arxiv_version: 1111.3360v1 · doi: 10.48550/arxiv.1111.3360 · pith_short_12: W2NA7AKPFTG6 · pith_short_16: W2NA7AKPFTG6PI2L · pith_short_8: W2NA7AKP

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/W2NA7AKPFTG6PI2LMSIC334SY5 \
  | 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: b69a0f814f2ccde7a34b64902def92c7498ba64e65cde05616cd4f475a610dc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d6cc619d868dd99c3a1601885b8a4e38a3645ea7f5751063cade38cd924eb50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-14T21:00:00Z",
    "title_canon_sha256": "d5ac235fbf93d313fe3f3bb1a9c09f4cd26c80acc5226e0dc5c11005eb9db6e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3360",
    "kind": "arxiv",
    "version": 1
  }
}