Pith Number

pith:N6FFTDOU

pith:2015:N6FFTDOUGTWUSGKY6TD4G6GVHQ

not attested not anchored not stored refs pending

Several evolutionary channels for bright planetary nebulae

M. G. Richer, M. L. McCall

arxiv:1509.08541 v1 · 2015-09-28 · astro-ph.GA · astro-ph.CO · 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{N6FFTDOUGTWUSGKY6TD4G6GVHQ}

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	2026-05-18T01:05:45.936332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f8a598dd434ed491958f4c7c378d53c194e32ef7c7aab983061281adf14a280

Aliases

arxiv: 1509.08541 · arxiv_version: 1509.08541v1 · doi: 10.48550/arxiv.1509.08541 · pith_short_12: N6FFTDOUGTWU · pith_short_16: N6FFTDOUGTWUSGKY · pith_short_8: N6FFTDOU

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/N6FFTDOUGTWUSGKY6TD4G6GVHQ \
  | 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: 6f8a598dd434ed491958f4c7c378d53c194e32ef7c7aab983061281adf14a280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfa2ed13f923227a552d2cba30245892cffa07c5af4aa5ab341eddf6039e1885",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-28T23:23:25Z",
    "title_canon_sha256": "5e561d5ec477a7c362bc60e59b88e25d5984227a21e409877e422b1f8d2669f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08541",
    "kind": "arxiv",
    "version": 1
  }
}