pith. sign in
Pith Number

pith:JF5NHT5B

pith:2017:JF5NHT5BPZRIKXBFVELJMN3L7N
not attested not anchored not stored refs pending

Inference of chromospheric magnetic fields in a sunspot derived from spectropolarimetry of Ca II 8542 A

Abdelrazek M. K. Shaltout, Ali G. A. Abdelkawy, M. M. Beheary, T. A. Schad

arxiv:1712.06829 v1 · 2017-12-19 · astro-ph.SR · physics.space-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JF5NHT5BPZRIKXBFVELJMN3L7N}

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 2026-05-18T00:27:40.251568Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

497ad3cfa17e62855c25a91696376bfb5b78c2574420596677c0da500ce4393a

Aliases

arxiv: 1712.06829 · arxiv_version: 1712.06829v1 · doi: 10.48550/arxiv.1712.06829 · pith_short_12: JF5NHT5BPZRI · pith_short_16: JF5NHT5BPZRIKXBF · pith_short_8: JF5NHT5B
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JF5NHT5BPZRIKXBFVELJMN3L7N \
  | 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: 497ad3cfa17e62855c25a91696376bfb5b78c2574420596677c0da500ce4393a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e27ad4a11b516b07e2b726415b6e72b8d1344e983a1cb5588f5587ea6e8372b8",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-19T09:09:35Z",
    "title_canon_sha256": "6b0262cdda97a88f686474039ae8894e388497b5ec08620f70038a39e02b669c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06829",
    "kind": "arxiv",
    "version": 1
  }
}