Pith Number

pith:QYJRAP7J

pith:2011:QYJRAP7JKTO3DYCBEX6OSZ7MNG

not attested not anchored not stored refs pending

Measuring solar disk shape up to relativistic accuracy: the role of scintillation in ancient naked eye data

Costantino Sigismondi, Gerhard Dangl, Richard Nugent

arxiv:1106.2451 v1 · 2011-06-13 · 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{QYJRAP7JKTO3DYCBEX6OSZ7MNG}

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	2026-05-18T04:20:05.795578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8613103fe954ddb1e04125fce967ec69b341d07e72839f0bce7151f2f005c761

Aliases

arxiv: 1106.2451 · arxiv_version: 1106.2451v1 · doi: 10.48550/arxiv.1106.2451 · pith_short_12: QYJRAP7JKTO3 · pith_short_16: QYJRAP7JKTO3DYCB · pith_short_8: QYJRAP7J

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/QYJRAP7JKTO3DYCBEX6OSZ7MNG \
  | 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: 8613103fe954ddb1e04125fce967ec69b341d07e72839f0bce7151f2f005c761

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63df73859abe3f5581af41ef85216db9e330c3750dab0c3aa1fa6efd963ee210",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-06-13T14:28:48Z",
    "title_canon_sha256": "a26a615abaf165f41bc8ab5ccf509a217584260b7f239a9395fe7b3852cdcd01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2451",
    "kind": "arxiv",
    "version": 1
  }
}