Pith Number

pith:CTDGLHFK

pith:2012:CTDGLHFKM6NQ7CU5TLB3WVPLYK

not attested not anchored not stored refs pending

The AMIGA sample of isolated galaxies XI. A First Look at Isolated Galaxy Colors

Jack Sulentic, Jose Enrique Ruiz, Jose Sabater, Lourdes Verdes-Montenegro, Mirian Fern\'andez Lorenzo, Susana S\'anchez

arxiv:1201.5834 v1 · 2012-01-27 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CTDGLHFKM6NQ7CU5TLB3WVPLYK}

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	2026-05-18T01:58:40.743847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14c6659caa679b0f8a9d9ac3bb55ebc2b982e6e375855768e8b71d6e54484b5d

Aliases

arxiv: 1201.5834 · arxiv_version: 1201.5834v1 · doi: 10.48550/arxiv.1201.5834 · pith_short_12: CTDGLHFKM6NQ · pith_short_16: CTDGLHFKM6NQ7CU5 · pith_short_8: CTDGLHFK

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/CTDGLHFKM6NQ7CU5TLB3WVPLYK \
  | 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: 14c6659caa679b0f8a9d9ac3bb55ebc2b982e6e375855768e8b71d6e54484b5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6260a2c7efccbe9c119f55462cd4dded8f301d3185cc5499e70122e782d1bc31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-27T17:01:14Z",
    "title_canon_sha256": "58a5bb6690208071fa54fb66b189ba5d49370d56a9de3687590e5bdae02237ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5834",
    "kind": "arxiv",
    "version": 1
  }
}