Pith Number

pith:CEWCKIKW

pith:2022:CEWCKIKWXM2JTSGHAD6W745APD

not attested not anchored not stored refs pending

White dwarf binaries suggest a common envelope efficiency $\alpha \sim 1/3$

Jim Fuller, Peter Scherbak

arxiv:2211.02036 v2 · 2022-11-03 · astro-ph.SR · 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{CEWCKIKWXM2JTSGHAD6W745APD}

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	2026-07-05T05:26:10.452090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

112c252156bb3499c8c700fd6ff3a078e2a8531f3f757fbcb35203cd15a01704

Aliases

arxiv: 2211.02036 · arxiv_version: 2211.02036v2 · doi: 10.48550/arxiv.2211.02036 · pith_short_12: CEWCKIKWXM2J · pith_short_16: CEWCKIKWXM2JTSGH · pith_short_8: CEWCKIKW

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/CEWCKIKWXM2JTSGHAD6W745APD \
  | 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: 112c252156bb3499c8c700fd6ff3a078e2a8531f3f757fbcb35203cd15a01704

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc06ee56c8c843c9f78297aeebab0e89ba1b46056f45e9cc5f2c173539783b8c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-11-03T17:55:06Z",
    "title_canon_sha256": "d83cbc9cc99ed5c103d4e4cabf8c7edcbc1c7fa7285848da2c9e42dde7894aa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.02036",
    "kind": "arxiv",
    "version": 2
  }
}