Pith Number

pith:7PXWCL53

pith:2021:7PXWCL534FFE247GCK5KBXMAZ3

not attested not anchored not stored refs pending

Contribution of collapsars, supernovae, and neutron star mergers to the evolution of r-process elements in the Galaxy

Grant J. Mathews, Jianrong Shi, Michael A. Famiano, Toshitaka Kajino, Xiaodong Tang, Yuta Yamazaki

arxiv:2102.05891 v1 · 2021-02-11 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PXWCL534FFE247GCK5KBXMAZ3}

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	2026-07-05T02:14:35.450713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbef612fbbe14a4d73e612baa0dd80cee85f96c4a3994fbc731ac499ed12df0c

Aliases

arxiv: 2102.05891 · arxiv_version: 2102.05891v1 · doi: 10.48550/arxiv.2102.05891 · pith_short_12: 7PXWCL534FFE · pith_short_16: 7PXWCL534FFE247G · pith_short_8: 7PXWCL53

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/7PXWCL534FFE247GCK5KBXMAZ3 \
  | 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: fbef612fbbe14a4d73e612baa0dd80cee85f96c4a3994fbc731ac499ed12df0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7134f576835b3d3f8640fde22ed0076a018861fe8c34605211d39ed0c9bcbe48",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-02-11T08:48:33Z",
    "title_canon_sha256": "c72215ee715089adfa2afdddd489809ddf4c0e868bacfde03f54b652e5fdc44d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05891",
    "kind": "arxiv",
    "version": 1
  }
}