Pith Number

pith:HVBPM4DW

pith:2009:HVBPM4DWSERFVWFMGPBNUGFJDE

not attested not anchored not stored refs pending

Living with a Red Dwarf: FUV & X-ray emissions of dM stars and effects on hosted Planets

Edward F. Guinan, Scott G. Engle, Trisha Mizusawa

arxiv:0902.3444 v1 · 2009-02-19 · 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{HVBPM4DWSERFVWFMGPBNUGFJDE}

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	2026-05-18T02:14:46.815694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d42f6707691225ad8ac33c2da18a9193c64a3f56d43452d302d7db7687239b5

Aliases

arxiv: 0902.3444 · arxiv_version: 0902.3444v1 · doi: 10.48550/arxiv.0902.3444 · pith_short_12: HVBPM4DWSERF · pith_short_16: HVBPM4DWSERFVWFM · pith_short_8: HVBPM4DW

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/HVBPM4DWSERFVWFMGPBNUGFJDE \
  | 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: 3d42f6707691225ad8ac33c2da18a9193c64a3f56d43452d302d7db7687239b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09deff7167751c2b6f829fec1cf3636933b35c8ef46a6b23e8a90f8d56f4c424",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-02-19T19:57:31Z",
    "title_canon_sha256": "0737262fc9455a2fde054eccd10dc3601f24ae673f1722c3feb21048bdaf1239"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3444",
    "kind": "arxiv",
    "version": 1
  }
}