Pith Number

pith:K7PE7QPL

pith:2020:K7PE7QPL6BF4VV6522VZS6LPUV

not attested not anchored not stored refs pending

Heavy element evolution in the inner regions of the Milky Way

A. Vasini, F. Matteucci, M. Schultheis, V. Grisoni

arxiv:2004.10133 v1 · 2020-04-21 · 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{K7PE7QPL6BF4VV6522VZS6LPUV}

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	2026-07-05T01:00:44.009210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57de4fc1ebf04bcad7ddd6ab99796fa57c184156e7b0c6732cc4d96aa740d584

Aliases

arxiv: 2004.10133 · arxiv_version: 2004.10133v1 · doi: 10.48550/arxiv.2004.10133 · pith_short_12: K7PE7QPL6BF4 · pith_short_16: K7PE7QPL6BF4VV65 · pith_short_8: K7PE7QPL

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/K7PE7QPL6BF4VV6522VZS6LPUV \
  | 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: 57de4fc1ebf04bcad7ddd6ab99796fa57c184156e7b0c6732cc4d96aa740d584

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f0b960b1f001f9c1350470d9ff2792856ff7474855022af09552956c165b8df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-21T16:24:41Z",
    "title_canon_sha256": "d5c0901dc91db6bbdc49e368d29793ea3057e2f93abe0ec4e9b9755e813434ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.10133",
    "kind": "arxiv",
    "version": 1
  }
}