Pith Number

pith:IPLEOS5Z

pith:2021:IPLEOS5ZWSJHT6R5U72IDWMOQR

not attested not anchored not stored refs pending

Observability of inflated companion stars after supernovae in massive binaries

Kotaro Hijikawa, Misa Ogata, Ryosuke Hirai

arxiv:2103.10111 v2 · 2021-03-18 · 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{IPLEOS5ZWSJHT6R5U72IDWMOQR}

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.

Cited by

1 paper in Pith

The long-short GRB connection

Receipt and verification

First computed	2026-07-05T02:43:54.225418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43d6474bb9b49279fa3da7f481d98e84401f66af33d3e24fe741cda4373ed4dd

Aliases

arxiv: 2103.10111 · arxiv_version: 2103.10111v2 · doi: 10.48550/arxiv.2103.10111 · pith_short_12: IPLEOS5ZWSJH · pith_short_16: IPLEOS5ZWSJHT6R5 · pith_short_8: IPLEOS5Z

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/IPLEOS5ZWSJHT6R5U72IDWMOQR \
  | 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: 43d6474bb9b49279fa3da7f481d98e84401f66af33d3e24fe741cda4373ed4dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8c59c913ee7f65a4cd53559a3fac6e2d313eee5018f5af8dff0e46d46941005",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-03-18T09:37:19Z",
    "title_canon_sha256": "5fc3c5e1366626de1d96f99ee25596046fdfa7ea7a9d2ba2270ead50c534c1a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.10111",
    "kind": "arxiv",
    "version": 2
  }
}