Pith Number

pith:E6ZB2PXU

pith:2016:E6ZB2PXUBDFPSQ5N5U7C3VYLUF

not attested not anchored not stored refs pending

New analytical solutions for chemical evolution models: characterizing the population of star-forming and passive galaxies

E. Spitoni, F. Matteucci, F. Vincenzo

arxiv:1605.05603 v2 · 2016-05-18 · 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{E6ZB2PXUBDFPSQ5N5U7C3VYLUF}

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	2026-05-18T00:50:40.182411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27b21d3ef408caf943aded3e2dd70ba179381d9763dda423097a9bf6955270d7

Aliases

arxiv: 1605.05603 · arxiv_version: 1605.05603v2 · doi: 10.48550/arxiv.1605.05603 · pith_short_12: E6ZB2PXUBDFP · pith_short_16: E6ZB2PXUBDFPSQ5N · pith_short_8: E6ZB2PXU

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/E6ZB2PXUBDFPSQ5N5U7C3VYLUF \
  | 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: 27b21d3ef408caf943aded3e2dd70ba179381d9763dda423097a9bf6955270d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "326b6c23482efa47f81cd2bcbc13eaa46a600e5e51ed79d9134cba184f036de3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-05-18T14:43:15Z",
    "title_canon_sha256": "47d6fca6c23085356d55537761a31ac41f905d396a6f5614f15823b9d21f705f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05603",
    "kind": "arxiv",
    "version": 2
  }
}