Pith Number

pith:EBTRXFWB

pith:2018:EBTRXFWBGAXJRBVWXRY2OPFTKE

not attested not anchored not stored refs pending

Supernova Nebular Spectroscopy Suggests a Hybrid Envelope-Stripping Mechanism for Massive Stars

Avishay Gal-Yam, Fengwu Sun, Hanindyo Kuncarayakti, Keiichi Maeda, Qiliang Fang

arxiv:1808.04834 v1 · 2018-08-14 · 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{EBTRXFWBGAXJRBVWXRY2OPFTKE}

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	2026-05-17T23:52:05.519802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20671b96c1302e9886b6bc71a73cb3511e992a3f254f238613431deade90c06e

Aliases

arxiv: 1808.04834 · arxiv_version: 1808.04834v1 · doi: 10.48550/arxiv.1808.04834 · pith_short_12: EBTRXFWBGAXJ · pith_short_16: EBTRXFWBGAXJRBVW · pith_short_8: EBTRXFWB

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/EBTRXFWBGAXJRBVWXRY2OPFTKE \
  | 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: 20671b96c1302e9886b6bc71a73cb3511e992a3f254f238613431deade90c06e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88d643355b74b0713f65c5970552b003feffd3935db4a90f658117094f232355",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-08-14T18:02:41Z",
    "title_canon_sha256": "d5cb5af8863728b93063c89c52b2840f59f29e22c9114e2ba13bcad07d14f122"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04834",
    "kind": "arxiv",
    "version": 1
  }
}