Pith Number

pith:K4IN2IOE

pith:2022:K4IN2IOEWHX6GN6UMCMFMLRVJV

not attested not anchored not stored refs pending

Chemistry and physical properties of the born-again planetary nebula HuBi 1

B. Montoro-Molina, B. P\'erez-D\'iaz, C. Morisset, J.A. Toal\'a, M.A. Guerrero, M.M. Miller Bertolami, S. Cazzoli

arxiv:2202.00353 v1 · 2022-02-01 · 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{K4IN2IOEWHX6GN6UMCMFMLRVJV}

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	2026-07-05T03:59:02.581589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5710dd21c4b1efe337d46098562e354d411b627de8f1500173d6345b582437be

Aliases

arxiv: 2202.00353 · arxiv_version: 2202.00353v1 · doi: 10.48550/arxiv.2202.00353 · pith_short_12: K4IN2IOEWHX6 · pith_short_16: K4IN2IOEWHX6GN6U · pith_short_8: K4IN2IOE

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/K4IN2IOEWHX6GN6UMCMFMLRVJV \
  | 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: 5710dd21c4b1efe337d46098562e354d411b627de8f1500173d6345b582437be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbf199f862e98e4584450de682124026f5989a296e7a9c697588adbb8c9b557e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-02-01T11:47:44Z",
    "title_canon_sha256": "d49cb29fe7a9d90a48edb2d61cedccf12723b7cc7e739cff0909b8f579c1e07d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.00353",
    "kind": "arxiv",
    "version": 1
  }
}