Pith Number

pith:27GBCPSV

pith:2018:27GBCPSV3C6I3JXMTOZVJHBIWP

not attested not anchored not stored refs pending

Three-dimensional mixing and light curves: constraints on the progenitor of supernova 1987A

2), (2) ITEP, (3) University of California, Annop Wongwathanarat (1), Ewald Mueller (1), Garching, H.-Thomas Janka (1), Moscow, Santa Cruz), Stan Woosley (3) ((1) MPI Astrophysics, T. Ertl (1), Victor Utrobin (1

arxiv:1812.11083 v2 · 2018-12-24 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{27GBCPSV3C6I3JXMTOZVJHBIWP}

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	2026-05-17T23:47:58.659222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7cc113e55d8bc8da6ec9bb3549c28b3f4a049b41d89117649f8a42d83c2bf5c

Aliases

arxiv: 1812.11083 · arxiv_version: 1812.11083v2 · doi: 10.48550/arxiv.1812.11083 · pith_short_12: 27GBCPSV3C6I · pith_short_16: 27GBCPSV3C6I3JXM · pith_short_8: 27GBCPSV

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/27GBCPSV3C6I3JXMTOZVJHBIWP \
  | 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: d7cc113e55d8bc8da6ec9bb3549c28b3f4a049b41d89117649f8a42d83c2bf5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19ab84f3c7b24708e9d3d6e30007438c3c91167231b4515d7941d80b381138d1",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-12-24T13:12:14Z",
    "title_canon_sha256": "40093b1d065aef224abc9f8e208e290ce9e1d31308ce68e4846a2ef3048228f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11083",
    "kind": "arxiv",
    "version": 2
  }
}