Pith Number

pith:UYPEQIL6

pith:2016:UYPEQIL6TQS5MTMBW4JNQMBZJH

not attested not anchored not stored refs pending

A new galactic chemical evolution model with dust: results for dwarf irregular galaxies and DLA systems

Francesca Matteucci, Francesco Calura, Giovanni Vladilo, Lorenzo Gioannini

arxiv:1609.03833 v1 · 2016-09-13 · 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{UYPEQIL6TQS5MTMBW4JNQMBZJH}

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	2026-05-18T01:04:09.831774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a61e48217e9c25d64d81b712d8303949fab0d33eed8f41cfdb9f5a9689f95457

Aliases

arxiv: 1609.03833 · arxiv_version: 1609.03833v1 · doi: 10.48550/arxiv.1609.03833 · pith_short_12: UYPEQIL6TQS5 · pith_short_16: UYPEQIL6TQS5MTMB · pith_short_8: UYPEQIL6

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/UYPEQIL6TQS5MTMBW4JNQMBZJH \
  | 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: a61e48217e9c25d64d81b712d8303949fab0d33eed8f41cfdb9f5a9689f95457

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac76404e14b913663f2b8988e4ec0312efd06ca9a35f0d7154e9b54a725779f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-13T13:52:31Z",
    "title_canon_sha256": "c55b56757f284343de08a26949bf40c55a1069e317146f59f46e6f26a3ef5bc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03833",
    "kind": "arxiv",
    "version": 1
  }
}