Pith Number

pith:NRQGC4FD

pith:2012:NRQGC4FDNLY5L76OJ7LDMFSH45

not attested not anchored not stored refs pending

The Population of Helium-Merger Progenitors: Observational Predictions

C. Ellinger, C.L. Fryer, C. Thone, E. Berger, K. Belczynski, T. Bulik

arxiv:1211.0614 v1 · 2012-11-03 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRQGC4FDNLY5L76OJ7LDMFSH45}

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	2026-05-18T01:53:26.335371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c606170a36af1d5ffce4fd6361647e760963608232d1b769291cae003d58f8c

Aliases

arxiv: 1211.0614 · arxiv_version: 1211.0614v1 · doi: 10.48550/arxiv.1211.0614 · pith_short_12: NRQGC4FDNLY5 · pith_short_16: NRQGC4FDNLY5L76O · pith_short_8: NRQGC4FD

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/NRQGC4FDNLY5L76OJ7LDMFSH45 \
  | 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: 6c606170a36af1d5ffce4fd6361647e760963608232d1b769291cae003d58f8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83715bbfb38cc7cb7d8b137c0d796c92f34e2ab016166cc36c0188c21f01d054",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-11-03T14:33:45Z",
    "title_canon_sha256": "c685b131afd254c9751ac2977f4cc9d1591f7b7e5c7ed499fa15939c56fb7a1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0614",
    "kind": "arxiv",
    "version": 1
  }
}