Pith Number

pith:4GDKI6HB

pith:2024:4GDKI6HBPUEDHKVAFS6BA6C6F4

not attested not anchored not stored refs pending

A primer on the formation and evolution of hydrogen deficient Central Stars of Planetary Nebul{\ae} and Related Objects

Marcelo M. Miller Bertolami

arxiv:2411.18035 v1 · 2024-11-27 · 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{4GDKI6HBPUEDHKVAFS6BA6C6F4}

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	2026-07-05T09:55:14.507936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e186a478e17d0833aaa02cbc10785e2f1680986f8dfc4b5747464146acac29b0

Aliases

arxiv: 2411.18035 · arxiv_version: 2411.18035v1 · doi: 10.48550/arxiv.2411.18035 · pith_short_12: 4GDKI6HBPUED · pith_short_16: 4GDKI6HBPUEDHKVA · pith_short_8: 4GDKI6HB

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/4GDKI6HBPUEDHKVAFS6BA6C6F4 \
  | 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: e186a478e17d0833aaa02cbc10785e2f1680986f8dfc4b5747464146acac29b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b35cfcfc4e5c3806382ca4262dfc4f019c79aee7bc11944104880915997d934",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-11-27T04:02:38Z",
    "title_canon_sha256": "99b4fa08d780e55af9aa6a3147d4345f10197bd4ff4d3abb96c88511365b7768"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.18035",
    "kind": "arxiv",
    "version": 1
  }
}