Pith Number

pith:LHBAMLDZ

pith:2011:LHBAMLDZ7EY4CG5HDWWV7BY5HW

not attested not anchored not stored refs pending

On the Constancy of the Photon Index of X-ray spectra of 4U~1728-34 through all spectral states

Elena Seifina (Moscow University, GAISH), George Mason University, GSFC), Lev Titarchuk (University of Ferrara

arxiv:1106.5745 v1 · 2011-06-28 · 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{LHBAMLDZ7EY4CG5HDWWV7BY5HW}

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	2026-05-18T02:01:29.736513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59c2062c79f931c11ba71dad5f871d3d84ca540873595c916710c03dccad062d

Aliases

arxiv: 1106.5745 · arxiv_version: 1106.5745v1 · doi: 10.48550/arxiv.1106.5745 · pith_short_12: LHBAMLDZ7EY4 · pith_short_16: LHBAMLDZ7EY4CG5H · pith_short_8: LHBAMLDZ

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/LHBAMLDZ7EY4CG5HDWWV7BY5HW \
  | 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: 59c2062c79f931c11ba71dad5f871d3d84ca540873595c916710c03dccad062d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f0574a698c459c47ea22ba7badcd5dbfcbe60836947d4efdbdd82a53c3b2c87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-06-28T18:01:06Z",
    "title_canon_sha256": "e7cf4f3bd2fc7ee4f30493057c110147cbd1f203dbd80dd60b064ce038f50ddd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5745",
    "kind": "arxiv",
    "version": 1
  }
}