Pith Number

pith:PAF34RLR

pith:2018:PAF34RLRLBGUJ7MSMFPQWSDPFN

not attested not anchored not stored refs pending

Height dependence of the penumbral fine-scale structure in the inner solar atmosphere

F. Giorgi, F. Zuccarello, H. Socas-Navarro, I. Ermolli, Mariarita Murabito, M. Stangalini, P. Romano, S. Jafarzadeh, S.L. Guglielmino

arxiv:1812.09029 v1 · 2018-12-21 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PAF34RLRLBGUJ7MSMFPQWSDPFN}

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	2026-05-17T23:50:56.328389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

780bbe4571584d44fd92615f0b486f2b59d4d265618c4052c9b306fd67316aae

Aliases

arxiv: 1812.09029 · arxiv_version: 1812.09029v1 · doi: 10.48550/arxiv.1812.09029 · pith_short_12: PAF34RLRLBGU · pith_short_16: PAF34RLRLBGUJ7MS · pith_short_8: PAF34RLR

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/PAF34RLRLBGUJ7MSMFPQWSDPFN \
  | 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: 780bbe4571584d44fd92615f0b486f2b59d4d265618c4052c9b306fd67316aae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "210540f13c5ff1bf0c8ebc90d7810c2c89929c8b39841dfe1372d66c03ad7be8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-21T10:19:17Z",
    "title_canon_sha256": "3f3532a6d1a2edd328a641e315b9ea448bba81d24ad9d0ef1e9fc2e882bc98d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09029",
    "kind": "arxiv",
    "version": 1
  }
}