Pith Number

pith:TCO2QE4X

pith:2016:TCO2QE4XLXPNJXWNZQXPH6JA5H

not attested not anchored not stored refs pending

[WN] central stars of planetary nebulae

B. Miszalski, H. Todt, J. A. Toal\'a, M. A. Guerrero

arxiv:1612.03719 v1 · 2016-12-12 · 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{TCO2QE4XLXPNJXWNZQXPH6JA5H}

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	2026-05-18T00:30:46.364831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

989da813975dded4decdcc2ef3f920e9ef6e184f126d4f1f398e997938e55e32

Aliases

arxiv: 1612.03719 · arxiv_version: 1612.03719v1 · doi: 10.48550/arxiv.1612.03719 · pith_short_12: TCO2QE4XLXPN · pith_short_16: TCO2QE4XLXPNJXWN · pith_short_8: TCO2QE4X

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/TCO2QE4XLXPNJXWNZQXPH6JA5H \
  | 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: 989da813975dded4decdcc2ef3f920e9ef6e184f126d4f1f398e997938e55e32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76648873a9ade47ff72288176f142e349a71cb9044349767d09e071c9b5b5aec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-12T14:49:38Z",
    "title_canon_sha256": "d0dd5b805d47fb93c0ed86f11d3cb09520ce39acd702738870d61ff534971d87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03719",
    "kind": "arxiv",
    "version": 1
  }
}