Pith Number

pith:2WYHSAUS

pith:2019:2WYHSAUSN66FVGAD5HS47Z2RMN

not attested not anchored not stored refs pending

Solar Spectropolarimetry of Ca II $8542~\AA$ Line: Polarimeter Development,Calibration and Preliminary Observations

Hemanth Pruthvi, K. B. Ramesh, Nagaraju K., Ravindra B.

arxiv:1901.06833 v1 · 2019-01-21 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2WYHSAUSN66FVGAD5HS47Z2RMN}

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	2026-05-17T23:55:49.014063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5b07902926fbc5a9803e9e5cfe7516375093e324cc9d1963a406552e751b0df

Aliases

arxiv: 1901.06833 · arxiv_version: 1901.06833v1 · doi: 10.48550/arxiv.1901.06833 · pith_short_12: 2WYHSAUSN66F · pith_short_16: 2WYHSAUSN66FVGAD · pith_short_8: 2WYHSAUS

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/2WYHSAUSN66FVGAD5HS47Z2RMN \
  | 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: d5b07902926fbc5a9803e9e5cfe7516375093e324cc9d1963a406552e751b0df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c01da4b3bb0598af77a3ac1899c7ab6a3bb1e5e07ad08fcf0c39fccfe395f902",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-01-21T09:09:11Z",
    "title_canon_sha256": "9845443cbc3f8414660d9379fbc80b714406a5c0ee4987fd3782b4453575bfe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06833",
    "kind": "arxiv",
    "version": 1
  }
}