pith. sign in
Pith Number

pith:3XSVOUZB

pith:2016:3XSVOUZBJOZMGFKGYOS6ZGPYOH
not attested not anchored not stored refs pending

Stellar Helium Burning in Other Universes: A solution to the triple alpha fine-tuning problem

Evan Grohs, Fred C. Adams

arxiv:1608.04690 v2 · 2016-08-16 · astro-ph.CO · astro-ph.SR · nucl-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3XSVOUZBJOZMGFKGYOS6ZGPYOH}

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 2026-05-18T00:55:35.740337Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

dde55753214bb2c31546c3a5ec99f871d2ca5cf6e16dd075dea4376ec1add508

Aliases

arxiv: 1608.04690 · arxiv_version: 1608.04690v2 · doi: 10.48550/arxiv.1608.04690 · pith_short_12: 3XSVOUZBJOZM · pith_short_16: 3XSVOUZBJOZMGFKG · pith_short_8: 3XSVOUZB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3XSVOUZBJOZMGFKGYOS6ZGPYOH \
  | 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: dde55753214bb2c31546c3a5ec99f871d2ca5cf6e16dd075dea4376ec1add508
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1e42e477514da0aefda1f2348e1ab3c9d16b3182200aabe814de9842bfff34a1",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-08-16T17:58:09Z",
    "title_canon_sha256": "4894877dd61425c29263cfa9925cd51f7ad2107ba0f437639c03d6bcf24f7aef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04690",
    "kind": "arxiv",
    "version": 2
  }
}