Pith Number

pith:M2HOOHOT

pith:2025:M2HOOHOTV6F5QUN2AGLIN7ZWZV

not attested not anchored not stored refs pending

The Galactic inner spiral arms revealed by the Gaia ESO Survey chemical abundances. Metallicity and [Mg/Fe] ratios

A. Vasini, C. Viscasillas V\'azquez, E. Spitoni, G. Cescutti, G.G. Sacco, G. Tautvai\v{s}ien\.e, L. Magrini, S. Randich

arxiv:2504.16905 v1 · 2025-04-23 · 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{M2HOOHOTV6F5QUN2AGLIN7ZWZV}

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	2026-07-05T11:14:58.680355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

668ee71dd3af8bd851ba019686ff36cd68f9ef0697d93bba2eb863bdb2e7e302

Aliases

arxiv: 2504.16905 · arxiv_version: 2504.16905v1 · doi: 10.48550/arxiv.2504.16905 · pith_short_12: M2HOOHOTV6F5 · pith_short_16: M2HOOHOTV6F5QUN2 · pith_short_8: M2HOOHOT

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/M2HOOHOTV6F5QUN2AGLIN7ZWZV \
  | 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: 668ee71dd3af8bd851ba019686ff36cd68f9ef0697d93bba2eb863bdb2e7e302

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5bae30259a50f3caf2364f7daa4ee74def4ccdb4e20cb569deeeb0cc7554c3e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-04-23T17:28:37Z",
    "title_canon_sha256": "5cc9517fc8e4c319ec2783aa37e214e2186a7f2dc03e20000431732ddc55a6f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16905",
    "kind": "arxiv",
    "version": 1
  }
}