Pith Number

pith:7EWRIB4W

pith:2009:7EWRIB4W2TSHHAU5CI7CAEXKUU

not attested not anchored not stored refs pending

Study of the accreting pulsar 4U 0115+634 with a bulk and thermal Comptonization model

Alberto Segreto, Andrea Santangelo, Carlo Ferrigno, Peter A. Becker, Teresa Mineo

arxiv:0902.4392 v1 · 2009-02-25 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7EWRIB4W2TSHHAU5CI7CAEXKUU}

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	2026-05-18T02:14:38.985459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f92d140796d4e473829d123e2012eaa5026a24cc3f8a2352920aa69acad8c810

Aliases

arxiv: 0902.4392 · arxiv_version: 0902.4392v1 · doi: 10.48550/arxiv.0902.4392 · pith_short_12: 7EWRIB4W2TSH · pith_short_16: 7EWRIB4W2TSHHAU5 · pith_short_8: 7EWRIB4W

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/7EWRIB4W2TSHHAU5CI7CAEXKUU \
  | 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: f92d140796d4e473829d123e2012eaa5026a24cc3f8a2352920aa69acad8c810

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8169babf830b7813d0ed5903a878f79f36c4ac40dfebb85cf24f62bebe0a360b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-02-25T15:28:10Z",
    "title_canon_sha256": "b1093dae2069370ab3278faeef1c521fd45e7dd4be014b9c96ad431845a01d1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.4392",
    "kind": "arxiv",
    "version": 1
  }
}