Pith Number

pith:C3SKNEB2

pith:2009:C3SKNEB235FHWBYIQQLJTB22YX

not attested not anchored not stored refs pending

Merging of Components in Close Binaries: Type Ia Supernovae, Massive White Dwarfs, and Ap stars

A. I. Bogomazov, A. V. Tutukov

arxiv:0901.4899 v1 · 2009-01-30 · astro-ph.SR · astro-ph.CO · 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{C3SKNEB235FHWBYIQQLJTB22YX}

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	2026-05-18T04:37:22.801476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16e4a6903adf4a7b0708841699875ac5cf802edd164843fdb98e7d836ff8c96d

Aliases

arxiv: 0901.4899 · arxiv_version: 0901.4899v1 · doi: 10.48550/arxiv.0901.4899 · pith_short_12: C3SKNEB235FH · pith_short_16: C3SKNEB235FHWBYI · pith_short_8: C3SKNEB2

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/C3SKNEB235FHWBYIQQLJTB22YX \
  | 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: 16e4a6903adf4a7b0708841699875ac5cf802edd164843fdb98e7d836ff8c96d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa326e3e66f14a498cd7710739bb126822012984295085b8e9fe8c6e1a313d8a",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-01-30T15:06:34Z",
    "title_canon_sha256": "557a17b07a439427a449300ba16e1f664b7e8bfbcae24a6eacea15c4b0b9d60a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4899",
    "kind": "arxiv",
    "version": 1
  }
}