Pith Number

pith:GTINNIIV

pith:2013:GTINNIIVDXQ6AX3V54GYQO5NDC

not attested not anchored not stored refs pending

On the importance of astronomical refraction for modern Solar astrometric measurements

C. Renaud, F. Morand, M. Meftah, R. Ikhlef, T. Corbard

arxiv:1304.0147 v3 · 2013-03-31 · 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{GTINNIIVDXQ6AX3V54GYQO5NDC}

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	2026-05-17T23:57:51.217126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34d0d6a1151de1e05f75ef0d883bad18ac1d11d584fb8b2927410efb1d4c92e3

Aliases

arxiv: 1304.0147 · arxiv_version: 1304.0147v3 · doi: 10.48550/arxiv.1304.0147 · pith_short_12: GTINNIIVDXQ6 · pith_short_16: GTINNIIVDXQ6AX3V · pith_short_8: GTINNIIV

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/GTINNIIVDXQ6AX3V54GYQO5NDC \
  | 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: 34d0d6a1151de1e05f75ef0d883bad18ac1d11d584fb8b2927410efb1d4c92e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8ab762e4e881c6673cd6a8c90d9b799fb1b289b095b3f9eb7b2f4a7a370a18b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-31T00:39:48Z",
    "title_canon_sha256": "2a3f98aed2540d1c2de3335d96febed57c8ae1d6aa0ee43bb4e2abd1422a3b96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0147",
    "kind": "arxiv",
    "version": 3
  }
}