Pith Number

pith:QP3EYC2P

pith:2019:QP3EYC2PBDML6YKM5WVWTJXNPQ

not attested not anchored not stored refs pending

The extended molecular envelope of the asymptotic giant branch star $\pi^{1}$ Gruis as seen by ALMA II. The spiral-outflow observed at high-angular resolution

C. Paladini, E. De Beck, F. Kerschbaum, L. Doan, M. Lindqvist, M. Maercker, M. Wittkowski, S. H\"ofner, S. Mohamed, S. Ramstedt, W. H. T. Vlemmings

arxiv:1911.10756 v2 · 2019-11-25 · astro-ph.SR · 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{QP3EYC2PBDML6YKM5WVWTJXNPQ}

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	2026-07-05T00:31:33.794415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83f64c0b4f08d8bf614cedab69a6ed7c3b04e65c68834995a2c3af2c3efeec4d

Aliases

arxiv: 1911.10756 · arxiv_version: 1911.10756v2 · doi: 10.48550/arxiv.1911.10756 · pith_short_12: QP3EYC2PBDML · pith_short_16: QP3EYC2PBDML6YKM · pith_short_8: QP3EYC2P

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/QP3EYC2PBDML6YKM5WVWTJXNPQ \
  | 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: 83f64c0b4f08d8bf614cedab69a6ed7c3b04e65c68834995a2c3af2c3efeec4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c61ff201beae86abf5f89d5ed2709ad838bb5e797141d316506f3bcb5dc96e3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-11-25T08:20:14Z",
    "title_canon_sha256": "409583c23e9db6e8551d2743cfd431aff0f8b2f21d605a3dc9f6696b970a383d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.10756",
    "kind": "arxiv",
    "version": 2
  }
}