Pith Number

pith:2HEM536A

pith:2018:2HEM536AUPNCIDYDWW6YNVQOGS

not attested not anchored not stored refs pending

The origin of diverse $\alpha$-element abundances in galaxy discs

Joop Schaye, J. Ted Mackereth, Matthieu Schaller, Ricardo P. Schiavon, Robert A. Crain, Tom Theuns

arxiv:1801.03593 v1 · 2018-01-11 · 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{2HEM536AUPNCIDYDWW6YNVQOGS}

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	2026-05-18T00:17:07.824047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1c8ceefc0a3da240f03b5bd86d60e3482c18ef00bdfde17ea116ff5d551e33d

Aliases

arxiv: 1801.03593 · arxiv_version: 1801.03593v1 · doi: 10.48550/arxiv.1801.03593 · pith_short_12: 2HEM536AUPNC · pith_short_16: 2HEM536AUPNCIDYD · pith_short_8: 2HEM536A

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/2HEM536AUPNCIDYDWW6YNVQOGS \
  | 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: d1c8ceefc0a3da240f03b5bd86d60e3482c18ef00bdfde17ea116ff5d551e33d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ccb9668585c15e0c177a6d62725b1be4f3a58fca0e1a02bfb2b831f83cc2660",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-11T00:13:48Z",
    "title_canon_sha256": "1dff658586f29885305b2d0c696ed6fb114899b09317b6fe98817480a5afe75e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03593",
    "kind": "arxiv",
    "version": 1
  }
}