pith. sign in
Pith Number

pith:PFKOYQA2

pith:2017:PFKOYQA25BTCHLEYJPNPMB3MM7
not attested not anchored not stored refs pending

Catching a Grown-Up Starfish Planetary Nebula: I. Morpho-Kinematical study of PC 22

C. Morisset, G. Ramos-Larios, L. Corral, L. Olgu\'in, L. Sabin, M.A. G\'omez-Mu\~noz, M.A. Guerrero, M.W. Blanco C\'ardenas, P.F. Guill\'en, R. V\'azquez, S. Navarro, S. Zavala

arxiv:1702.00029 v1 · 2017-01-31 · astro-ph.SR · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PFKOYQA25BTCHLEYJPNPMB3MM7}

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 2026-05-18T00:48:15.003595Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7954ec401ae86623ac984bdaf6076c67f58f7c19668879a3c79e83d974d3cd56

Aliases

arxiv: 1702.00029 · arxiv_version: 1702.00029v1 · doi: 10.48550/arxiv.1702.00029 · pith_short_12: PFKOYQA25BTC · pith_short_16: PFKOYQA25BTCHLEY · pith_short_8: PFKOYQA2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PFKOYQA25BTCHLEYJPNPMB3MM7 \
  | 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: 7954ec401ae86623ac984bdaf6076c67f58f7c19668879a3c79e83d974d3cd56
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e221ba0a9a21c78852963ed1a2de27670eece34de60fdf3fd4c94bbd48946c4d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-01-31T19:26:13Z",
    "title_canon_sha256": "637bd36a64fad9b5ac20b1afdc58ebc622847fd08a69f6b42c12ef05a520f4b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00029",
    "kind": "arxiv",
    "version": 1
  }
}