Pith Number

pith:LI4B5RTF

pith:2025:LI4B5RTFQVNKN43QD4QOS7B6C2

not attested not anchored not stored refs pending

Early Post Asymptotic Giant Branch Instability: Does it Affect White Dwarf Hydrogen Envelope Mass?

James MacDonald

arxiv:2505.13313 v2 · 2025-05-19 · 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{LI4B5RTFQVNKN43QD4QOS7B6C2}

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	2026-07-05T11:46:43.291981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a381ec665855aa6f3701f20e97c3e16bb96e3abe36d5a03a5b9b8c8830aa008

Aliases

arxiv: 2505.13313 · arxiv_version: 2505.13313v2 · doi: 10.48550/arxiv.2505.13313 · pith_short_12: LI4B5RTFQVNK · pith_short_16: LI4B5RTFQVNKN43Q · pith_short_8: LI4B5RTF

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/LI4B5RTFQVNKN43QD4QOS7B6C2 \
  | 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: 5a381ec665855aa6f3701f20e97c3e16bb96e3abe36d5a03a5b9b8c8830aa008

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b01c40a9c5b0f757f89311c51e34723054c7ca93586350cc133eb655126d2a5f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-05-19T16:28:50Z",
    "title_canon_sha256": "334c5810561b5db9c6b14ed95db99c35e2fdc3e4e051280193e11db4f4dca1e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.13313",
    "kind": "arxiv",
    "version": 2
  }
}