Pith Number

pith:H4HMHYCA

pith:2013:H4HMHYCAYIENZIYK3CSLCGIFXT

not attested not anchored not stored refs pending

The Measurement of Solar Diameter and Limb Darkening Function with the Eclipse Observations. Thesis work

Andrea Raponi

arxiv:1302.3469 v1 · 2013-02-14 · 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{H4HMHYCAYIENZIYK3CSLCGIFXT}

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	2026-05-18T03:33:38.494361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f0ec3e040c208dca30ad8a4b11905bcdd5c9b2069f8039d2180b4c592137728

Aliases

arxiv: 1302.3469 · arxiv_version: 1302.3469v1 · doi: 10.48550/arxiv.1302.3469 · pith_short_12: H4HMHYCAYIEN · pith_short_16: H4HMHYCAYIENZIYK · pith_short_8: H4HMHYCA

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/H4HMHYCAYIENZIYK3CSLCGIFXT \
  | 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: 3f0ec3e040c208dca30ad8a4b11905bcdd5c9b2069f8039d2180b4c592137728

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "717f888b5f55651090712d67479471c4399b49280cea63a192e6b479b479a9a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-14T16:58:37Z",
    "title_canon_sha256": "1e5f1724a69d4224b8cde6567973e6d6e6d866e2205d8ba02ce2c267771fb11c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3469",
    "kind": "arxiv",
    "version": 1
  }
}