Pith Number

pith:3KGHJ5QL

pith:2012:3KGHJ5QLVM3WWRW2WGHMMZCR7J

not attested not anchored not stored refs pending

The Snapshot Hubble U-band Cluster Survey; A cluster complex in NGC 2146

Angela Adamo, Linda J. Smith

arxiv:1207.1448 v1 · 2012-07-05 · 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{3KGHJ5QLVM3WWRW2WGHMMZCR7J}

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	2026-05-18T03:51:37.076966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da8c74f60bab376b46dab18ec66451fa4ef6a3bb7e9f131c19a4a3956d9e6246

Aliases

arxiv: 1207.1448 · arxiv_version: 1207.1448v1 · doi: 10.48550/arxiv.1207.1448 · pith_short_12: 3KGHJ5QLVM3W · pith_short_16: 3KGHJ5QLVM3WWRW2 · pith_short_8: 3KGHJ5QL

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/3KGHJ5QLVM3WWRW2WGHMMZCR7J \
  | 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: da8c74f60bab376b46dab18ec66451fa4ef6a3bb7e9f131c19a4a3956d9e6246

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c25aa3a0af4349a6d4305be80267a670cee50853e83f547b11c839b6078a0e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-05T20:04:20Z",
    "title_canon_sha256": "239754d8ffb13fdcfd7a4eb38fc7f475b3f5ab233130c32a2b603db12916da3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1448",
    "kind": "arxiv",
    "version": 1
  }
}