Pith Number

pith:NTIOIIKM

pith:2011:NTIOIIKMFBRDU4MYADHXUEA2GK

not attested not anchored not stored refs pending

Solar Limb Darkening Function from Baily's Beads Observations

Andrea Raponi, Costantino Sigismondi

arxiv:1112.0403 v1 · 2011-12-02 · 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{NTIOIIKMFBRDU4MYADHXUEA2GK}

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	2026-05-18T04:07:07.269785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cd0e4214c28623a719800cf7a101a3297beb4d5c0a3a6a54f1d4895ebc94ed4

Aliases

arxiv: 1112.0403 · arxiv_version: 1112.0403v1 · doi: 10.48550/arxiv.1112.0403 · pith_short_12: NTIOIIKMFBRD · pith_short_16: NTIOIIKMFBRDU4MY · pith_short_8: NTIOIIKM

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/NTIOIIKMFBRDU4MYADHXUEA2GK \
  | 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: 6cd0e4214c28623a719800cf7a101a3297beb4d5c0a3a6a54f1d4895ebc94ed4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dea7b6e0f7b103c9e8b23de806a5dcf0405726a41c358cd93b9e08b62d27cc0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-02T08:44:16Z",
    "title_canon_sha256": "8746da520854486ed8cfc5611bdfb4c4deb8f7e1cd359959ae3331d6ba1612d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0403",
    "kind": "arxiv",
    "version": 1
  }
}