Pith Number

pith:DNZSRAQS

pith:2011:DNZSRAQSRICCZFN757GMZHC3C2

not attested not anchored not stored refs pending

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

Andrea Raponi, Andreas Tegtmeier, Costantino Sigismondi, Konrad Guhl, Richard Nugent

arxiv:1109.3559 v2 · 2011-09-16 · astro-ph.SR · 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{DNZSRAQSRICCZFN757GMZHC3C2}

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	2026-05-18T04:02:11.772485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b732882128a042c95bfefcccc9c5b1683cd3ded12a8cf1824dd7b3e2295b54c

Aliases

arxiv: 1109.3559 · arxiv_version: 1109.3559v2 · doi: 10.48550/arxiv.1109.3559 · pith_short_12: DNZSRAQSRICC · pith_short_16: DNZSRAQSRICCZFN7 · pith_short_8: DNZSRAQS

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/DNZSRAQSRICCZFN757GMZHC3C2 \
  | 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: 1b732882128a042c95bfefcccc9c5b1683cd3ded12a8cf1824dd7b3e2295b54c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6457e0f7f3b5e850cac3b5389ee66781fd4cc5ef42120476ac686772aebae813",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-16T09:35:03Z",
    "title_canon_sha256": "b8de405c72d4a71519d17188c11811104a8c97794059b4b8a5d66df0d8ac6ee0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3559",
    "kind": "arxiv",
    "version": 2
  }
}