Pith Number

pith:S6XFHVQE

pith:2019:S6XFHVQERSFHSU2ZPR7F7MTQFO

not attested not anchored not stored refs pending

Long-term evolutions of the cyclotron line energies in Her X-1, Vela X-1 and Cen X-3 as observed with Swift/BAT

Andrea Santangelo, Long Ji, Lorenzo Ducci, Ruediger Staubert, Shu Zhang, Zhi Chang

arxiv:1901.07269 v1 · 2019-01-22 · astro-ph.HE · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S6XFHVQERSFHSU2ZPR7F7MTQFO}

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	2026-05-17T23:55:10.210153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97ae53d6048c8a7953597c7e5fb2702b92d118123c52a7861f1ae78720b2afc9

Aliases

arxiv: 1901.07269 · arxiv_version: 1901.07269v1 · doi: 10.48550/arxiv.1901.07269 · pith_short_12: S6XFHVQERSFH · pith_short_16: S6XFHVQERSFHSU2Z · pith_short_8: S6XFHVQE

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/S6XFHVQERSFHSU2ZPR7F7MTQFO \
  | 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: 97ae53d6048c8a7953597c7e5fb2702b92d118123c52a7861f1ae78720b2afc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c77ccc968016dd140105d5f5ac3887eb64160816da19a66c3d991821469d8e3",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-22T11:34:07Z",
    "title_canon_sha256": "f2b21f9b0cd44cc07ab149d70f5af7a6609c2b631a26d0837731c2f1e938e5f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07269",
    "kind": "arxiv",
    "version": 1
  }
}