Pith Number

pith:PUF5ZSFM

pith:2017:PUF5ZSFMTWMVABBCOD52K63EM4

not attested not anchored not stored refs pending

Luminosity-dependent changes of the cyclotron line energy and spectral hardness in Cep X-4

A. Santangelo, D. Klochkov, E. Sokolova-Lapa, K. Postnov, K. Pottschmidt, M. Gornostaev, R. Staubert, V. Vybornov

arxiv:1702.06361 v1 · 2017-02-21 · 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{PUF5ZSFMTWMVABBCOD52K63EM4}

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	2026-05-18T00:50:14.366837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d0bdcc8ac9d9950042270fba57b64673555300904deafb034e8a4c671f2db3a

Aliases

arxiv: 1702.06361 · arxiv_version: 1702.06361v1 · doi: 10.48550/arxiv.1702.06361 · pith_short_12: PUF5ZSFMTWMV · pith_short_16: PUF5ZSFMTWMVABBC · pith_short_8: PUF5ZSFM

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/PUF5ZSFMTWMVABBCOD52K63EM4 \
  | 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: 7d0bdcc8ac9d9950042270fba57b64673555300904deafb034e8a4c671f2db3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "213aa15333c98e57b5d86f246c62a7f453185ad8ce8d0373f2a05f58234cf90d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-02-21T12:55:01Z",
    "title_canon_sha256": "7c4feb27e5fcda55611471d89c3c872ba4dc4eebebd80cf1eee9ab4acb2d4fde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06361",
    "kind": "arxiv",
    "version": 1
  }
}