Pith Number

pith:IRWTD46O

pith:2010:IRWTD46OWD22TU7FGYJ2P3VA3Z

not attested not anchored not stored refs pending

Chandra X-ray Detection of the Enigmatic Field Star BP Psc

Astronomy), Berkeley), B. Zuckerman, David Rodriguez (UCLA Dept. of Physics, James R. Graham (Astronomy Dept., Joel H. Kastner, Marshall D. Perrin (UCLA Dept. of Physics, Nicolas Grosso (Observatoire astronomique de Strasbourg), Rodolfo Montez Jr. (RIT Center for Imaging Science), Thierry Forveille (Laboratoire d'Astrophysique de Grenoble), University of California

arxiv:1007.3981 v1 · 2010-07-22 · 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{IRWTD46OWD22TU7FGYJ2P3VA3Z}

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	2026-05-18T02:06:11.460350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

446d31f3ceb0f5a9d3e53613a7eea0de6bd897977eb5b7f0925abd492246e20e

Aliases

arxiv: 1007.3981 · arxiv_version: 1007.3981v1 · doi: 10.48550/arxiv.1007.3981 · pith_short_12: IRWTD46OWD22 · pith_short_16: IRWTD46OWD22TU7F · pith_short_8: IRWTD46O

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/IRWTD46OWD22TU7FGYJ2P3VA3Z \
  | 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: 446d31f3ceb0f5a9d3e53613a7eea0de6bd897977eb5b7f0925abd492246e20e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3cb75d2a80ad579f536e4b51ce6e5b1e82979f08fa9f4b88b3d9abaab97e512",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-07-22T19:43:37Z",
    "title_canon_sha256": "d836b7363db5a13eb5fbc85f5e095d0ba90a06b0aef52c75c2b12033fb5e2528"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3981",
    "kind": "arxiv",
    "version": 1
  }
}