Pith Number

pith:ZLWN7QCY

pith:2020:ZLWN7QCY5MO5FEIOS3FPBPPIEP

not attested not anchored not stored refs pending

Supernova Triggers for End-Devonian Extinctions

Adrian L. Melott, Adrienne F. Ertel, Brian C. Thomas, Brian D. Fields, Brian J. Fry, Bruce S. Lieberman, Jesse A. Miller, John Ellis, Zhenghai Liu

arxiv:2007.01887 v2 · 2020-07-03 · astro-ph.HE · astro-ph.SR · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLWN7QCY5MO5FEIOS3FPBPPIEP}

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

Unveiling the Milky Way with a Gaia DR3 census of OB-type stars within 2 kpc. I. Tracing local Galactic structure, massive star-forming regions and core-collapse supernova progenitors

Receipt and verification

First computed	2026-07-05T01:33:21.794856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caecdfc058eb1dd2910e96caf0bde823c2bbcdad1ce5ec74a304bbd733dce7e3

Aliases

arxiv: 2007.01887 · arxiv_version: 2007.01887v2 · doi: 10.48550/arxiv.2007.01887 · pith_short_12: ZLWN7QCY5MO5 · pith_short_16: ZLWN7QCY5MO5FEIO · pith_short_8: ZLWN7QCY

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/ZLWN7QCY5MO5FEIOS3FPBPPIEP \
  | 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: caecdfc058eb1dd2910e96caf0bde823c2bbcdad1ce5ec74a304bbd733dce7e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16501e08a8cfe2526c674b874309ba67b38dfe97416b84d3e1a305e26ecab1a5",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-07-03T18:08:09Z",
    "title_canon_sha256": "05104f03f760cc599a95a49b6e00004d16b998f77025bc2e86d1060e687d8b91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.01887",
    "kind": "arxiv",
    "version": 2
  }
}