Pith Number

pith:QB2GVQ43

pith:2015:QB2GVQ43UKURCU7TKZABWXDIVD

not attested not anchored not stored refs pending

The interaction of core-collapse supernova ejecta with a companion star

Bonn), Cambridge), Friedrich K. Roepke (HITS, Heidelberg), Matthias Kruckow (AIfA), Richard J. Stancliffe (AIfA), Robert G. Izzard (IoA, Takashi J. Moriya (AIfA), Thomas M. Tauris (AIfA/MPIfR, Zheng-Wei Liu (AIfA

arxiv:1509.03633 v2 · 2015-09-11 · 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{QB2GVQ43UKURCU7TKZABWXDIVD}

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	2026-05-18T01:26:41.627771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80746ac39ba2a91153f356401b5c68a8de45b88424f36aa0abcaaf1dc9faf96b

Aliases

arxiv: 1509.03633 · arxiv_version: 1509.03633v2 · doi: 10.48550/arxiv.1509.03633 · pith_short_12: QB2GVQ43UKUR · pith_short_16: QB2GVQ43UKURCU7T · pith_short_8: QB2GVQ43

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/QB2GVQ43UKURCU7TKZABWXDIVD \
  | 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: 80746ac39ba2a91153f356401b5c68a8de45b88424f36aa0abcaaf1dc9faf96b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15c1ee8c594a4fbb472dcefb29ade7dd89bed03a8365de7810f784e0b9e8e31f",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-11T20:03:16Z",
    "title_canon_sha256": "4147c2dc1a52eb9dd6fd3b7760cd0fe4e774367fb9b673b334eb941c42850214"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03633",
    "kind": "arxiv",
    "version": 2
  }
}