Pith Number

pith:ZDTPJQAG

pith:2018:ZDTPJQAGN7L7PN7M7V2N22EKD7

not attested not anchored not stored refs pending

On the use of hydrogen recombination energy during common envelope events

Natalia Ivanova

arxiv:1804.10681 v1 · 2018-04-27 · 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{ZDTPJQAGN7L7PN7M7V2N22EKD7}

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	2026-05-18T00:15:13.810176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8e6f4c0066fd7f7b7ecfd74dd688a1ffe20cc0a46f8ecdd7e3e9b477ac3f265

Aliases

arxiv: 1804.10681 · arxiv_version: 1804.10681v1 · doi: 10.48550/arxiv.1804.10681 · pith_short_12: ZDTPJQAGN7L7 · pith_short_16: ZDTPJQAGN7L7PN7M · pith_short_8: ZDTPJQAG

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/ZDTPJQAGN7L7PN7M7V2N22EKD7 \
  | 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: c8e6f4c0066fd7f7b7ecfd74dd688a1ffe20cc0a46f8ecdd7e3e9b477ac3f265

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bd84b3000e01f3f0c1ff77052251039f3e85b138bb885beb96e384d90997c39",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-27T20:34:57Z",
    "title_canon_sha256": "63f5e28be8220c3856f603a5c4751742aad742d53d046f6a4c93a0ef36355d53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10681",
    "kind": "arxiv",
    "version": 1
  }
}