Pith Number

pith:XHD5MIKD

pith:2014:XHD5MIKD7YE4TJ46EJZOBK7ZWT

not attested not anchored not stored refs pending

Hercules X-1 - another 'first': long-term decay of the cyclotron line energy

R\"udiger Staubert

arxiv:1412.8067 v1 · 2014-12-27 · 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{XHD5MIKD7YE4TJ46EJZOBK7ZWT}

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	2026-05-18T02:30:24.282188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9c7d62143fe09c9a79e2272e0abf9b4f71c25685f2774e1b03d532525e7fb80

Aliases

arxiv: 1412.8067 · arxiv_version: 1412.8067v1 · doi: 10.48550/arxiv.1412.8067 · pith_short_12: XHD5MIKD7YE4 · pith_short_16: XHD5MIKD7YE4TJ46 · pith_short_8: XHD5MIKD

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/XHD5MIKD7YE4TJ46EJZOBK7ZWT \
  | 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: b9c7d62143fe09c9a79e2272e0abf9b4f71c25685f2774e1b03d532525e7fb80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b644ab59249be8dbde0a31d28edd3be05af10b357d041ac632deff3ab68d659b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-12-27T16:08:52Z",
    "title_canon_sha256": "b929be5f647f294a5169ee56c8b023b86099f6ff13f8f61892b5c4a1e845b046"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8067",
    "kind": "arxiv",
    "version": 1
  }
}