Pith Number

pith:QWAIW6XC

pith:2016:QWAIW6XCGBJ7MKVG3XMA7YDPWV

not attested not anchored not stored refs pending

Coevolution of metallicity and star formation in galaxies to z=3.7: I. A fundamental plane

Andrea Ferrara, Laura Magrini, Leslie Hunt, Pratika Dayal

arxiv:1608.05417 v1 · 2016-08-18 · 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{QWAIW6XCGBJ7MKVG3XMA7YDPWV}

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	2026-05-18T01:07:15.371569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85808b7ae23053f62aa6ddd80fe06fb55650a07688f631a62800776672633aa6

Aliases

arxiv: 1608.05417 · arxiv_version: 1608.05417v1 · doi: 10.48550/arxiv.1608.05417 · pith_short_12: QWAIW6XCGBJ7 · pith_short_16: QWAIW6XCGBJ7MKVG · pith_short_8: QWAIW6XC

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/QWAIW6XCGBJ7MKVG3XMA7YDPWV \
  | 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: 85808b7ae23053f62aa6ddd80fe06fb55650a07688f631a62800776672633aa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d16fe53a1a892441a85be67870ec453adae658e401c84e91c5ecb7c2ed367f0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-08-18T20:00:09Z",
    "title_canon_sha256": "6f74b01016ed6cae3ea69e2b3bf98f411acfadace9e2febe3eaf237e9e110334"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05417",
    "kind": "arxiv",
    "version": 1
  }
}