Pith Number

pith:WPKFVHVD

pith:2019:WPKFVHVDWH3V5ITOTAXVVCTDGP

not attested not anchored not stored refs pending

Binary population synthesis models for core-collapse gamma-ray burst progenitors

A. A. Chrimes, E. R. Stanway, J. J. Eldridge

arxiv:1911.08387 v1 · 2019-11-19 · astro-ph.HE · astro-ph.GA · 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{WPKFVHVDWH3V5ITOTAXVVCTDGP}

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	2026-07-05T00:20:28.328080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3d45a9ea3b1f75ea26e982f5a8a6333f400c546b2852816f70ab70908ec3ce3

Aliases

arxiv: 1911.08387 · arxiv_version: 1911.08387v1 · doi: 10.48550/arxiv.1911.08387 · pith_short_12: WPKFVHVDWH3V · pith_short_16: WPKFVHVDWH3V5ITO · pith_short_8: WPKFVHVD

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/WPKFVHVDWH3V5ITOTAXVVCTDGP \
  | 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: b3d45a9ea3b1f75ea26e982f5a8a6333f400c546b2852816f70ab70908ec3ce3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8728b16fd2d9f2efacd99b911c54a421b65b436f5daba6afddf3cdc92450232c",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-11-19T16:36:18Z",
    "title_canon_sha256": "44aaa57061b13d3797ba63815b046d7b53b373b12a373adeeeb2ae7e3ced3931"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.08387",
    "kind": "arxiv",
    "version": 1
  }
}