Pith Number

pith:S4KIVFH3

pith:2013:S4KIVFH3IJS4YP6GM3A2KIEHYB

not attested not anchored not stored refs pending

Ionized Gas Kinematics at High Resolution. II: Discovery of a Double Infrared Cluster in II Zw 40

Jean Turner, John Lacy, Ohr Lahad, Sara Beck, Thomas Greathouse

arxiv:1302.3464 v1 · 2013-02-14 · 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{S4KIVFH3IJS4YP6GM3A2KIEHYB}

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	2026-05-18T01:51:41.235581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97148a94fb4265cc3fc666c1a52087c05e58610c23f0fc0bfe516d4af16bfb33

Aliases

arxiv: 1302.3464 · arxiv_version: 1302.3464v1 · doi: 10.48550/arxiv.1302.3464 · pith_short_12: S4KIVFH3IJS4 · pith_short_16: S4KIVFH3IJS4YP6G · pith_short_8: S4KIVFH3

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/S4KIVFH3IJS4YP6GM3A2KIEHYB \
  | 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: 97148a94fb4265cc3fc666c1a52087c05e58610c23f0fc0bfe516d4af16bfb33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "859f1e08d9b994024ef9da3aa8ab19d66a3aa81199a67544c8c8a5f24f42fdd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-02-14T16:48:39Z",
    "title_canon_sha256": "689c8cbd412b7097b761114c74c01e4f73b45443358c99b0c6d78ec256376be2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3464",
    "kind": "arxiv",
    "version": 1
  }
}