Pith Number

pith:P5SHZCHP

pith:2018:P5SHZCHPJR2GCKNB4DGGX527UA

not attested not anchored not stored refs pending

Formation of Extremely Low-mass White Dwarfs in Double Degenerates

Hai-Liang Chen, Xuefei Chen, Zhanwen Han, Zhenwei Li

arxiv:1812.07226 v2 · 2018-12-18 · 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{P5SHZCHPJR2GCKNB4DGGX527UA}

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	2026-05-17T23:52:26.882366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f647c88ef4c746129a1e0cc6bf75fa0071b33a962239d7427013cbf28100494

Aliases

arxiv: 1812.07226 · arxiv_version: 1812.07226v2 · doi: 10.48550/arxiv.1812.07226 · pith_short_12: P5SHZCHPJR2G · pith_short_16: P5SHZCHPJR2GCKNB · pith_short_8: P5SHZCHP

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/P5SHZCHPJR2GCKNB4DGGX527UA \
  | 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: 7f647c88ef4c746129a1e0cc6bf75fa0071b33a962239d7427013cbf28100494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48125d1c01c7f8004ca77e18f76db0124844e1fddd76dc9b09fd334f763b1d9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-18T08:17:45Z",
    "title_canon_sha256": "d0a342ec7b5a4a8bb8158541eccdb08042badc594ea36270d9b030b137abe432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07226",
    "kind": "arxiv",
    "version": 2
  }
}