Pith Number

pith:4IIQMJHA

pith:2015:4IIQMJHASFBQ7AUZWPLHK3Z5ZE

not attested not anchored not stored refs pending

Recombination energy in double white dwarf formation

James C. Lombardi Jr, Jose L.A. Nandez, Natalia Ivanova

arxiv:1503.02750 v1 · 2015-03-10 · 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{4IIQMJHASFBQ7AUZWPLHK3Z5ZE}

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	2026-05-18T01:40:52.684277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2110624e091430f8299b3d6756f3dc9011b1e406cb32f3cdbbe71fcc1cca326

Aliases

arxiv: 1503.02750 · arxiv_version: 1503.02750v1 · doi: 10.48550/arxiv.1503.02750 · pith_short_12: 4IIQMJHASFBQ · pith_short_16: 4IIQMJHASFBQ7AUZ · pith_short_8: 4IIQMJHA

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/4IIQMJHASFBQ7AUZWPLHK3Z5ZE \
  | 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: e2110624e091430f8299b3d6756f3dc9011b1e406cb32f3cdbbe71fcc1cca326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b6de6edc60f82bed3c1ca3846346da6061cc11d42d2759ee3a081d22dc43c29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-10T02:01:03Z",
    "title_canon_sha256": "ea85acfcfb54c9cbf6ddc702c9534e7957249bd93c5cea9c894124a167352199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02750",
    "kind": "arxiv",
    "version": 1
  }
}