Pith Number

pith:6JHFE67A

pith:2020:6JHFE67AMHGFGZP5AQQ2BCFIUE

not attested not anchored not stored refs pending

Characterizing $r$-Process Sites through Actinide Production

Anna Frebel, Erika M. Holmbeck, G. C. McLaughlin, Matthew R. Mumpower, Nicole Vassh, Rebecca Surman, Timothy C. Beers, Toshihiko Kawano, Trevor M. Sprouse

arxiv:2001.08792 v1 · 2020-01-23 · astro-ph.HE · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6JHFE67AMHGFGZP5AQQ2BCFIUE}

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	2026-07-05T01:51:18.227738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f24e527be061cc5365fd0421a088a8a12590ed2e1f8c8fcdc3e2f813bf6bdfd1

Aliases

arxiv: 2001.08792 · arxiv_version: 2001.08792v1 · doi: 10.48550/arxiv.2001.08792 · pith_short_12: 6JHFE67AMHGF · pith_short_16: 6JHFE67AMHGFGZP5 · pith_short_8: 6JHFE67A

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/6JHFE67AMHGFGZP5AQQ2BCFIUE \
  | 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: f24e527be061cc5365fd0421a088a8a12590ed2e1f8c8fcdc3e2f813bf6bdfd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8af9e4d60e7eca2ed8c2effa75df28c2a7113a9dfee8a06cff1ca8d7d00efe6a",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-01-23T20:26:27Z",
    "title_canon_sha256": "20a3dbe4e4f3ca61eddbb89b9407aaff2d896986a4c71b2abc9065cdd40e8918"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.08792",
    "kind": "arxiv",
    "version": 1
  }
}