Pith Number

pith:XY3P5TDG

pith:2015:XY3P5TDGFHDCR27OFTJI6P3EYI

not attested not anchored not stored refs pending

Swift/BAT measurements of the cyclotron line energy decay in the accreting neutron star Her X-1: indication of an evolution of the magnetic field?

A. Santangelo, D. Klochkov, J. Wilms, K. Postnov, R. E. Rothschild, R. Staubert

arxiv:1504.07501 v1 · 2015-04-28 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XY3P5TDGFHDCR27OFTJI6P3EYI}

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	2026-05-18T01:55:31.899694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be36fecc6629c628ebee2cd28f3f64c234c4bfc05d0fc9099255c76c2c013eb7

Aliases

arxiv: 1504.07501 · arxiv_version: 1504.07501v1 · doi: 10.48550/arxiv.1504.07501 · pith_short_12: XY3P5TDGFHDC · pith_short_16: XY3P5TDGFHDCR27O · pith_short_8: XY3P5TDG

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/XY3P5TDGFHDCR27OFTJI6P3EYI \
  | 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: be36fecc6629c628ebee2cd28f3f64c234c4bfc05d0fc9099255c76c2c013eb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f30c4fa75b906b4d5bcd7160e26f8e81ccb9d876189c11070b3953d2f224d77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-04-28T14:35:17Z",
    "title_canon_sha256": "e7f36dc5b57b055376f135a991c3afaf60b9d447bab04f7f56fa39e94e383e01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07501",
    "kind": "arxiv",
    "version": 1
  }
}