Pith Number

pith:4SZIZSE4

pith:2009:4SZIZSE456IUGSC62GPMT2TJ42

not attested not anchored not stored refs pending

A deep multi-band investigation of IC2391

B. Merin, D. Barrado y Navascues, E. Distefano, E. Young, G. Leto, G. Marino, I. Pagano, L. Spezzi, N. Siegler, S. Messina, Z. Balog

arxiv:0902.4571 v1 · 2009-02-26 · 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{4SZIZSE456IUGSC62GPMT2TJ42}

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	2026-05-18T02:14:38.652968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4b28cc89cef9143485ed19ec9ea69e6b96013b9f2b3f3650e0c840bbd2bd36a

Aliases

arxiv: 0902.4571 · arxiv_version: 0902.4571v1 · doi: 10.48550/arxiv.0902.4571 · pith_short_12: 4SZIZSE456IU · pith_short_16: 4SZIZSE456IUGSC6 · pith_short_8: 4SZIZSE4

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/4SZIZSE456IUGSC62GPMT2TJ42 \
  | 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: e4b28cc89cef9143485ed19ec9ea69e6b96013b9f2b3f3650e0c840bbd2bd36a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b7e07ed0cdbd937c821369f7ecc394c88db4ef13b1f37929a0e5cd17ae1c61f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-02-26T12:46:07Z",
    "title_canon_sha256": "abe826046f58dd05394b1169ff179967b40994543bb2aad7e41026ccc8f48a41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.4571",
    "kind": "arxiv",
    "version": 1
  }
}