Pith Number

pith:HULA57QH

pith:2025:HULA57QH54I72P53P7DWGOK2F3

not attested not anchored not stored refs pending

Dissecting NGC 3132: Tracing the mass-loss history of the southern ring planetary nebula

A. Monreal-Ibero, D.R. Gon\c{c}alves, H. Monteiro, I. Aleman, J. Garc\'ia-Rojas, K. Bouvis, K.N. Gourgouliatos, L. Konstantinou, P. Boumis, S. Akras

arxiv:2507.08079 v1 · 2025-07-10 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HULA57QH54I72P53P7DWGOK2F3}

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	2026-07-05T11:35:16.879003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d160efe07ef11fd3fbb7fc763395a2efcb2700948d9b546f8d30aea077d906c

Aliases

arxiv: 2507.08079 · arxiv_version: 2507.08079v1 · doi: 10.48550/arxiv.2507.08079 · pith_short_12: HULA57QH54I7 · pith_short_16: HULA57QH54I72P53 · pith_short_8: HULA57QH

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/HULA57QH54I72P53P7DWGOK2F3 \
  | 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: 3d160efe07ef11fd3fbb7fc763395a2efcb2700948d9b546f8d30aea077d906c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31035817cb90bf7fd0be4c7b12260978dbe7f31fc14ced02ef7dc58a1323c287",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-10T18:00:03Z",
    "title_canon_sha256": "b3445826d93bcef0e88221f2d0516a6a01002928c49102a024db2a7b81a308bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.08079",
    "kind": "arxiv",
    "version": 1
  }
}