Pith Number

pith:GCTHQU4N

pith:2019:GCTHQU4NTYQC6CLPL2OE2FR3PZ

not attested not anchored not stored refs pending

Spectro-photometric decomposition of galaxy structural components

A. de Lorenzo-C\'aceres, J. M\'endez-Abreu, S. F. S\'anchez

arxiv:1901.08075 v1 · 2019-01-23 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GCTHQU4NTYQC6CLPL2OE2FR3PZ}

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	2026-05-17T23:53:20.678906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30a678538d9e202f096f5e9c4d163b7e6f5a9c6b52e131eaaf025b8f430fc110

Aliases

arxiv: 1901.08075 · arxiv_version: 1901.08075v1 · doi: 10.48550/arxiv.1901.08075 · pith_short_12: GCTHQU4NTYQC · pith_short_16: GCTHQU4NTYQC6CLP · pith_short_8: GCTHQU4N

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/GCTHQU4NTYQC6CLPL2OE2FR3PZ \
  | 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: 30a678538d9e202f096f5e9c4d163b7e6f5a9c6b52e131eaaf025b8f430fc110

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a91476ee2643e3fcf42d73e179880a1a9dd842bd15da412518e31dfb50fde16a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-23T19:00:07Z",
    "title_canon_sha256": "2c9461357f16d9b8472107196f5a366f97d92a90609c8f68527c20172dde6718"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08075",
    "kind": "arxiv",
    "version": 1
  }
}