Pith Number

pith:VO2QWKD7

pith:2015:VO2QWKD7EO4GH2VU4NNDIP5FU6

not attested not anchored not stored refs pending

Modeling the cometary structure of the planetary nebula HFG1 based on the evolution of its binary central star V664 Cas

A. Chiotellis, G. Dimitriadis, J. Meaburn, N. Nanouris, P. Boumis

arxiv:1512.00864 v1 · 2015-12-02 · 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{VO2QWKD7EO4GH2VU4NNDIP5FU6}

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	2026-05-18T01:22:00.225152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abb50b287f23b863eab4e35a343fa5a7b290a665f8f22314e6ffa6b92b09d51c

Aliases

arxiv: 1512.00864 · arxiv_version: 1512.00864v1 · doi: 10.48550/arxiv.1512.00864 · pith_short_12: VO2QWKD7EO4G · pith_short_16: VO2QWKD7EO4GH2VU · pith_short_8: VO2QWKD7

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/VO2QWKD7EO4GH2VU4NNDIP5FU6 \
  | 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: abb50b287f23b863eab4e35a343fa5a7b290a665f8f22314e6ffa6b92b09d51c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "844cec0932afb287a7247e73bef0420a11b664fc2cc93f26b8880a6138c1f45e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-02T21:03:28Z",
    "title_canon_sha256": "144aefab83533af77087b69823c4a54455f9a854bc499a34d3dbf5e9ecf13500"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00864",
    "kind": "arxiv",
    "version": 1
  }
}