Pith Number

pith:2CDUZYUG

pith:2011:2CDUZYUGPR4TTQBXOFVZ42STI5

not attested not anchored not stored refs pending

The second release of the Toru\'n catalogue of Galactic post-AGB objects: new classification scheme

D.A. Garc\'ia-Hern\'andez, G. Stasi\'nska, J. Borkowski, M. Hajduk, N. Si\'odmiak, O. Su\'arez, P. Garc\'ia-Lario, R. Szczerba

arxiv:1110.3924 v3 · 2011-10-18 · 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{2CDUZYUGPR4TTQBXOFVZ42STI5}

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	2026-05-18T03:45:41.834025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0874ce2867c7939c037716b9e6a53475cbc1a65a9f7398eae23b8e8222127ee

Aliases

arxiv: 1110.3924 · arxiv_version: 1110.3924v3 · doi: 10.48550/arxiv.1110.3924 · pith_short_12: 2CDUZYUGPR4T · pith_short_16: 2CDUZYUGPR4TTQBX · pith_short_8: 2CDUZYUG

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/2CDUZYUGPR4TTQBXOFVZ42STI5 \
  | 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: d0874ce2867c7939c037716b9e6a53475cbc1a65a9f7398eae23b8e8222127ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86283ea57ab96362d01411ae59b160b56e5a4c504a3e0d0c899fa137d61491e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-18T10:08:17Z",
    "title_canon_sha256": "7838482aebb89e94900cb5905afe1e638199be96ad2e0c79f9f0445c1b1effff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.3924",
    "kind": "arxiv",
    "version": 3
  }
}