Pith Number

pith:VNCANGS3

pith:2023:VNCANGS3OGFBKJWRUJIAX5A275

not attested not anchored not stored refs pending

FAST search for circumstellar atomic hydrogen. II. Is BD+303639 an interacting planetary nebula?

Albert Zijlstra, Chuan-Peng Zhang, Jun-ichi Nakashima, Quentin A Parker, Xu-Jia Ouyang, Yong Zhang

arxiv:2305.13598 v1 · 2023-05-23 · 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{VNCANGS3OGFBKJWRUJIAX5A275}

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

1 paper in Pith

HI envelope around the carbon star V420 Vul

Receipt and verification

First computed	2026-07-05T06:36:37.457754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab44069a5b718a1526d1a2500bf41aff477824974946c9b1b2c2c7da3884ee56

Aliases

arxiv: 2305.13598 · arxiv_version: 2305.13598v1 · doi: 10.48550/arxiv.2305.13598 · pith_short_12: VNCANGS3OGFB · pith_short_16: VNCANGS3OGFBKJWR · pith_short_8: VNCANGS3

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/VNCANGS3OGFBKJWRUJIAX5A275 \
  | 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: ab44069a5b718a1526d1a2500bf41aff477824974946c9b1b2c2c7da3884ee56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be2d0865a3b1a0c4695d2d5ba6f09e68f15138849332afb1e0e19f1f0b8ddeb5",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-05-23T01:59:33Z",
    "title_canon_sha256": "b6e66a33ec3a7cdd8adc8af7d109f9b132b7d222fad587d2562021383cf1a571"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.13598",
    "kind": "arxiv",
    "version": 1
  }
}