Pith Number

pith:2FXCHIZT

pith:2016:2FXCHIZTOMM47VG2F77CIZBYM6

not attested not anchored not stored refs pending

Comparative analysis of Debrecen sunspot catalogues

A. Ludm\'any, L. Gy\H{o}ri, T. Baranyi

arxiv:1612.03274 v1 · 2016-12-10 · 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{2FXCHIZTOMM47VG2F77CIZBYM6}

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	2026-05-18T00:55:19.757413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d16e23a3337319cfd4da2ffe24643867a79e3ce893686b72952f7eaed04dd3ec

Aliases

arxiv: 1612.03274 · arxiv_version: 1612.03274v1 · doi: 10.48550/arxiv.1612.03274 · pith_short_12: 2FXCHIZTOMM4 · pith_short_16: 2FXCHIZTOMM47VG2 · pith_short_8: 2FXCHIZT

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/2FXCHIZTOMM47VG2F77CIZBYM6 \
  | 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: d16e23a3337319cfd4da2ffe24643867a79e3ce893686b72952f7eaed04dd3ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94155fb1160a6f6ea9a04cf5952c2ceacdf10997c0ccfbd420be3198788ac6bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-10T10:19:28Z",
    "title_canon_sha256": "6cf0c6441543223ac25e8d4ae55f258625eaebc7f734a7483c14ae6458626326"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03274",
    "kind": "arxiv",
    "version": 1
  }
}