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Pith Number

pith:ZAGHQR4P

pith:2014:ZAGHQR4PYRVL3H2HUHO7AEKV4Z
not attested not anchored not stored refs pending

The observed spiral structure of the Milky Way

J. L. Han, L. G. Hou

arxiv:1407.7331 v3 · 2014-07-28 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZAGHQR4PYRVL3H2HUHO7AEKV4Z}

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.

Cited by

2 papers in Pith

Receipt and verification
First computed 2026-05-18T02:40:10.039846Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c80c78478fc46abd9f47a1ddf01155e669992a1a149f7fe99a7754ad30fa08b4

Aliases

arxiv: 1407.7331 · arxiv_version: 1407.7331v3 · doi: 10.48550/arxiv.1407.7331 · pith_short_12: ZAGHQR4PYRVL · pith_short_16: ZAGHQR4PYRVL3H2H · pith_short_8: ZAGHQR4P
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZAGHQR4PYRVL3H2HUHO7AEKV4Z \
  | 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: c80c78478fc46abd9f47a1ddf01155e669992a1a149f7fe99a7754ad30fa08b4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1589e12b63796af3f1ead4d5ffa7aa16b73649175cd0bba60c2fe4e155ea7a5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-28T06:22:18Z",
    "title_canon_sha256": "cd706f10eb1f4a902e93aaec7cc299f17576bac5c0a23670bd2cbeb9cad1eb50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7331",
    "kind": "arxiv",
    "version": 3
  }
}