Pith Number

pith:PZEKR4S2

pith:2019:PZEKR4S2DVYMYGQJ6OJFACPA6W

not attested not anchored not stored refs pending

Neutron-capture elements in dwarf galaxies I: Chemical clocks & the short timescale of the r-process

Arthur Choplin, \'Asa Sk\'ulad\'ottir, Camilla Juul Hansen, Stefania Salvadori

arxiv:1908.10729 v3 · 2019-08-28 · 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{PZEKR4S2DVYMYGQJ6OJFACPA6W}

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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

Reconstructing Critical Current Density in Josephson Junctions with Phase Non-linearity

Receipt and verification

First computed	2026-07-05T00:20:19.025789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e48a8f25a1d70cc1a09f3925009e0f59897edd040834d3a1f4282cbdc9a5cc8

Aliases

arxiv: 1908.10729 · arxiv_version: 1908.10729v3 · doi: 10.48550/arxiv.1908.10729 · pith_short_12: PZEKR4S2DVYM · pith_short_16: PZEKR4S2DVYMYGQJ · pith_short_8: PZEKR4S2

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/PZEKR4S2DVYMYGQJ6OJFACPA6W \
  | 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: 7e48a8f25a1d70cc1a09f3925009e0f59897edd040834d3a1f4282cbdc9a5cc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "937438edecc4d0f617fbdd0371e5b139e713bf7bdf1231f2d610da2314bde540",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-28T13:59:24Z",
    "title_canon_sha256": "809214338e61a79a3f5961860028c1e1106a04c56780f126daa4a47b3ea2b777"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10729",
    "kind": "arxiv",
    "version": 3
  }
}