Pith Number

pith:ZQGAZVAD

pith:2021:ZQGAZVADLELG5CVUIVMCNIJIHX

not attested not anchored not stored refs pending

The extension of the Fundamental Metallicity Relation beyond the BPT star-forming sequence: evidence for both gas accretion and starvation

Alessandro Marconi, Filippo Mannucci, Francesco Belfiore, Giovanni Cresci, James Trussler, Mirko Curti, Nimisha Kumari, Roberto Maiolino

arxiv:2108.12437 v1 · 2021-08-27 · 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{ZQGAZVADLELG5CVUIVMCNIJIHX}

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	2026-07-05T03:40:43.351662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc0c0cd40359166e8ab4455826a1283de89e630cb729ef1a4e0404b0f10a63ab

Aliases

arxiv: 2108.12437 · arxiv_version: 2108.12437v1 · doi: 10.48550/arxiv.2108.12437 · pith_short_12: ZQGAZVADLELG · pith_short_16: ZQGAZVADLELG5CVU · pith_short_8: ZQGAZVAD

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/ZQGAZVADLELG5CVUIVMCNIJIHX \
  | 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: cc0c0cd40359166e8ab4455826a1283de89e630cb729ef1a4e0404b0f10a63ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95094ee295e77a3c79218b5378352f314aedfb895997a44cda10d3d17c2742f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-08-27T18:00:11Z",
    "title_canon_sha256": "7822b5397449736bd29d7f7a7a474c09ce833ebd72090decd2ee872805edfb88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.12437",
    "kind": "arxiv",
    "version": 1
  }
}