Pith Number

pith:N2A6JBSZ

pith:2019:N2A6JBSZCMNWNNLI3BEE4X4KXO

not attested not anchored not stored refs pending

The class of supernova progenitors that result from fatal common envelope evolution

Noam Soker (Technion)

arxiv:1902.01187 v2 · 2019-02-04 · 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{N2A6JBSZCMNWNNLI3BEE4X4KXO}

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	2026-05-17T23:50:04.559196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e81e48659131b66b568d8484e5f8abbbe3e44816b30872c8a41b618aa999fd8

Aliases

arxiv: 1902.01187 · arxiv_version: 1902.01187v2 · doi: 10.48550/arxiv.1902.01187 · pith_short_12: N2A6JBSZCMNW · pith_short_16: N2A6JBSZCMNWNNLI · pith_short_8: N2A6JBSZ

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/N2A6JBSZCMNWNNLI3BEE4X4KXO \
  | 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: 6e81e48659131b66b568d8484e5f8abbbe3e44816b30872c8a41b618aa999fd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b7b29bb0940c0da01d74faa4dbee76090a9b3f3c700d5740b0d262079313ee0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-02-04T14:01:16Z",
    "title_canon_sha256": "b6b84f970dbb15031a4b6f9577596b21f8da4932a98960c3d7e20684e360f859"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01187",
    "kind": "arxiv",
    "version": 2
  }
}