Pith Number

pith:QNF6KZAD

pith:2011:QNF6KZADVDOHETUEU2ASHZ4RBF

not attested not anchored not stored refs pending

Common envelope: on the mass and the fate of the remnant

Natalia Ivanova

arxiv:1101.2863 v1 · 2011-01-14 · astro-ph.SR · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNF6KZADVDOHETUEU2ASHZ4RBF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:03:39.914896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

834be56403a8dc724e84a68123e791095699fcdb058dc611c07a374c9cbf1667

Aliases

arxiv: 1101.2863 · arxiv_version: 1101.2863v1 · doi: 10.48550/arxiv.1101.2863 · pith_short_12: QNF6KZADVDOH · pith_short_16: QNF6KZADVDOHETUE · pith_short_8: QNF6KZAD

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/QNF6KZADVDOHETUEU2ASHZ4RBF \
  | 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: 834be56403a8dc724e84a68123e791095699fcdb058dc611c07a374c9cbf1667

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92f0b9153e4181065e104ee7ff7d76d8d5e224c347a10ad887db61cfe14021d5",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-14T17:13:22Z",
    "title_canon_sha256": "80ea873d1c005c01aef69af315e9e0b1393b3bd9ca171ee2c449c242a3ae60d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2863",
    "kind": "arxiv",
    "version": 1
  }
}