Pith Number

pith:F3PQBPX6

pith:2021:F3PQBPX6PLSPAJBA5FGY7PLMEV

not attested not anchored not stored refs pending

Helium stars exploding in circumstellar material and the origin of Type Ibn supernovae

Hanindyo Kuncarayakti, John Hillier, Luc Dessart

arxiv:2111.13360 v1 · 2021-11-26 · 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{F3PQBPX6PLSPAJBA5FGY7PLMEV}

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	2026-07-05T04:04:25.647083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2edf00befe7ae4f02420e94d8fbd6c257566e72d6dcf23c79d0721f9f10b0bb6

Aliases

arxiv: 2111.13360 · arxiv_version: 2111.13360v1 · doi: 10.48550/arxiv.2111.13360 · pith_short_12: F3PQBPX6PLSP · pith_short_16: F3PQBPX6PLSPAJBA · pith_short_8: F3PQBPX6

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/F3PQBPX6PLSPAJBA5FGY7PLMEV \
  | 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: 2edf00befe7ae4f02420e94d8fbd6c257566e72d6dcf23c79d0721f9f10b0bb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c691c3853ac8269ba8d0b492b6704c693b1bbee4af1c002235992c25ac6210b0",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-11-26T08:41:06Z",
    "title_canon_sha256": "043e6187b721353933dc30213f57ddecb8b557e4350e294be7e63ff66ab0c648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.13360",
    "kind": "arxiv",
    "version": 1
  }
}