Pith Number

pith:R2II7QOA

pith:2016:R2II7QOAWFEICGWYW75MYQTPDS

not attested not anchored not stored refs pending

Ludendorff Coronal Flattening Index of the Total Solar Eclipse on March 9, 2016

Abdul Rachman, Rhorom Priyatikanto, Tiar Dani

arxiv:1610.07704 v1 · 2016-10-25 · 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{R2II7QOAWFEICGWYW75MYQTPDS}

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	2026-05-18T00:54:28.190866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e908fc1c0b148811ad8b7facc426f1cb2cd87d7de8ed1a528ab1cec178c3bfe

Aliases

arxiv: 1610.07704 · arxiv_version: 1610.07704v1 · doi: 10.48550/arxiv.1610.07704 · pith_short_12: R2II7QOAWFEI · pith_short_16: R2II7QOAWFEICGWY · pith_short_8: R2II7QOA

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/R2II7QOAWFEICGWYW75MYQTPDS \
  | 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: 8e908fc1c0b148811ad8b7facc426f1cb2cd87d7de8ed1a528ab1cec178c3bfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a616d6f77708092e97ff980364712cc168e8baf66fe4286759a9f8ffa3f7e61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-10-25T02:04:43Z",
    "title_canon_sha256": "bd6628726381df8a562ec371fe685e916daf6be96ae03028f151fe1da88f3f14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.07704",
    "kind": "arxiv",
    "version": 1
  }
}