Pith Number

pith:GZYZQ3DH

pith:2014:GZYZQ3DHFV5KADYTKBX7MUQYPR

not attested not anchored not stored refs pending

Deep Chandra Observations of HCG 16 - I. Active Nuclei, Star formation and Galactic Winds

A. Zezas, E. O'Sullivan, G.A. Mamon, J.M. Vrtilek, L.P. David, M. Trevisan, S. Giacintucci, S. Raychaudhury, T.J. Ponman

arxiv:1407.7543 v2 · 2014-07-28 · 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{GZYZQ3DHFV5KADYTKBX7MUQYPR}

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	2026-05-18T01:42:29.146607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3671986c672d7aa00f13506ff652187c560359e2480a479fb69213e2a74d1968

Aliases

arxiv: 1407.7543 · arxiv_version: 1407.7543v2 · doi: 10.48550/arxiv.1407.7543 · pith_short_12: GZYZQ3DHFV5K · pith_short_16: GZYZQ3DHFV5KADYT · pith_short_8: GZYZQ3DH

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/GZYZQ3DHFV5KADYTKBX7MUQYPR \
  | 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: 3671986c672d7aa00f13506ff652187c560359e2480a479fb69213e2a74d1968

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a379b3f4bd227290d5e5423dba92bc46088c571f757be5ccd2d27b0460ccfa9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-28T20:01:51Z",
    "title_canon_sha256": "d26576706cba8bd27e2bf5b28dcff405a0605250718c8f6a65e4e383e6b555ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7543",
    "kind": "arxiv",
    "version": 2
  }
}