Pith Number

pith:HUCU6YJS

pith:2012:HUCU6YJSDE6CJ4PI6U7CESMLSG

not attested not anchored not stored refs pending

Can R CrB stars form from the merger of two helium white dwarfs?

C. Simon Jeffery, Xianfei Zhang

arxiv:1208.3907 v1 · 2012-08-20 · 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{HUCU6YJSDE6CJ4PI6U7CESMLSG}

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	2026-05-18T01:55:09.331135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d054f6132193c24f1e8f53e22498b91ae000698eb5c4bbb42961b9b632a18f7

Aliases

arxiv: 1208.3907 · arxiv_version: 1208.3907v1 · doi: 10.48550/arxiv.1208.3907 · pith_short_12: HUCU6YJSDE6C · pith_short_16: HUCU6YJSDE6CJ4PI · pith_short_8: HUCU6YJS

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/HUCU6YJSDE6CJ4PI6U7CESMLSG \
  | 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: 3d054f6132193c24f1e8f53e22498b91ae000698eb5c4bbb42961b9b632a18f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8270a49bf7622ee945e2f6c79451d8f4a8a0a6b636553531b5899655f3cf5cd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-20T01:06:21Z",
    "title_canon_sha256": "77aa58c2a0ab43d91b14615ee25c351df0eb6163aa207c9a69c88bb8e718a31a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3907",
    "kind": "arxiv",
    "version": 1
  }
}