Pith Number

pith:3QPVQROM

pith:2016:3QPVQROMAGACHBSSD77OW6K5LX

not attested not anchored not stored refs pending

Metallicity gradients in Local Universe galaxies: time evolution and effects of radial migration

D. Galli, L. Coccato, L. Magrini, L. Stanghellini, V. Casasola

arxiv:1602.02529 v1 · 2016-02-08 · 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{3QPVQROMAGACHBSSD77OW6K5LX}

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	2026-05-18T01:18:29.127558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc1f5845cc01802386521ffeeb795d5dcce1ef2762c238139dd743efab7f6b69

Aliases

arxiv: 1602.02529 · arxiv_version: 1602.02529v1 · doi: 10.48550/arxiv.1602.02529 · pith_short_12: 3QPVQROMAGAC · pith_short_16: 3QPVQROMAGACHBSS · pith_short_8: 3QPVQROM

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/3QPVQROMAGACHBSSD77OW6K5LX \
  | 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: dc1f5845cc01802386521ffeeb795d5dcce1ef2762c238139dd743efab7f6b69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c5d6ef9e0892d47f81df8cf3350423f74c88533bae4705fbc88c068f0c81c08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-08T11:24:05Z",
    "title_canon_sha256": "7b2ea8cd772a46a946d15e27504510b4b1d4704cdc53f3686fd5f7b0d31d8fd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02529",
    "kind": "arxiv",
    "version": 1
  }
}