Pith Number

pith:4D25FKF3

pith:2011:4D25FKF3P7B2LI7OJ7BXPJAUIW

not attested not anchored not stored refs pending

Daytime Seeing and Solar Limb Positions

Costantino Sigismondi

arxiv:1106.2539 v1 · 2011-06-13 · astro-ph.IM · 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{4D25FKF3P7B2LI7OJ7BXPJAUIW}

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	2026-05-18T04:20:05.645146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0f5d2a8bb7fc3a5a3ee4fc377a41445af6afd20536b78cf5570e1a8dd03418f

Aliases

arxiv: 1106.2539 · arxiv_version: 1106.2539v1 · doi: 10.48550/arxiv.1106.2539 · pith_short_12: 4D25FKF3P7B2 · pith_short_16: 4D25FKF3P7B2LI7O · pith_short_8: 4D25FKF3

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/4D25FKF3P7B2LI7OJ7BXPJAUIW \
  | 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: e0f5d2a8bb7fc3a5a3ee4fc377a41445af6afd20536b78cf5570e1a8dd03418f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4321d3c269ff62b4af17eda2bef5f1c534e37b4c8af668d47aee5deaff0d73e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-06-13T19:58:47Z",
    "title_canon_sha256": "65e4f10bf150fde5598df03be8dc0794916779c06426f3d693eb59d94e3b76a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2539",
    "kind": "arxiv",
    "version": 1
  }
}