Pith Number

pith:RP4P23I3

pith:2010:RP4P23I3SHQHN5YFAEMNSBN4WT

not attested not anchored not stored refs pending

Optical depths for gamma-rays in the radiation field of a star heated by external X-ray source in LMXBs: Application to Her X-1 and Sco X-1

J. Pabich, W. Bednarek

arxiv:1001.5385 v1 · 2010-01-29 · 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{RP4P23I3SHQHN5YFAEMNSBN4WT}

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	2026-05-18T02:09:22.242068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bf8fd6d1b91e076f7050118d905bcb4fdd5da77f32dad7c5a6a9c554dee6797

Aliases

arxiv: 1001.5385 · arxiv_version: 1001.5385v1 · doi: 10.48550/arxiv.1001.5385 · pith_short_12: RP4P23I3SHQH · pith_short_16: RP4P23I3SHQHN5YF · pith_short_8: RP4P23I3

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/RP4P23I3SHQHN5YFAEMNSBN4WT \
  | 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: 8bf8fd6d1b91e076f7050118d905bcb4fdd5da77f32dad7c5a6a9c554dee6797

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e58714597c32ae03446e72135264142c86634bab440d3009dd9234b30884206f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-01-29T11:49:21Z",
    "title_canon_sha256": "4fcce253d419c61482678a445ed881186b6b426d8d652a4463acc7e415aac669"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.5385",
    "kind": "arxiv",
    "version": 1
  }
}