Pith Number

pith:JDDLR5YG

pith:2015:JDDLR5YGX3URSLBWSJMFXXSWKE

not attested not anchored not stored refs pending

Recycled stellar ejecta as fuel for star formation and implications for the origin of the galaxy mass-metallicity relation

Joop Schaye, Marijke C. Segers, Matthieu Schaller, Michelle Furlong, Richard G. Bower, Robert A. Crain, Tom Theuns

arxiv:1507.08281 v2 · 2015-07-29 · 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{JDDLR5YGX3URSLBWSJMFXXSWKE}

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	2026-05-18T01:28:03.796717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48c6b8f706bee9192c3692585bde565129c2ad30ec33e82fc1db870a65a13dff

Aliases

arxiv: 1507.08281 · arxiv_version: 1507.08281v2 · doi: 10.48550/arxiv.1507.08281 · pith_short_12: JDDLR5YGX3UR · pith_short_16: JDDLR5YGX3URSLBW · pith_short_8: JDDLR5YG

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/JDDLR5YGX3URSLBWSJMFXXSWKE \
  | 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: 48c6b8f706bee9192c3692585bde565129c2ad30ec33e82fc1db870a65a13dff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fce0dec9429db20f084d28302a8182714615dc118a61e710e770e7838f0f12b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-29T20:06:55Z",
    "title_canon_sha256": "ba568f5bb8dba225ccad90e2febcb373ce3a70e3d66a0f6540eef8ae72f4723a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08281",
    "kind": "arxiv",
    "version": 2
  }
}