Pith Number

pith:Y3XVRY3E

pith:2022:Y3XVRY3EJLQRWIOQBTCPOI3KLW

not attested not anchored not stored refs pending

Signature of a chemical spread in the open cluster M37

2), (2) INAF - Osservatorio Astronomico di Padova, (3) Astrophysics Research Institute, 4), (4) INAF - Osservatorio Astronomico di Abruzzo, 5), (5) INFN - Sezione di Pisa), A. Pietrinferni (4), Liverpool John Moores University, L. R. Bedin (2) ((1) Dipartimento di Fisica, M. Griggio (1, M. Salaris (3, S. Cassisi (4, Universit\`a di Ferrara

arxiv:2209.00487 v1 · 2022-09-01 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y3XVRY3EJLQRWIOQBTCPOI3KLW}

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	2026-07-05T04:59:31.692267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6ef58e3644ae11b21d00cc4f7236a5da57b542b7cb13192b257da7578fb1279

Aliases

arxiv: 2209.00487 · arxiv_version: 2209.00487v1 · doi: 10.48550/arxiv.2209.00487 · pith_short_12: Y3XVRY3EJLQR · pith_short_16: Y3XVRY3EJLQRWIOQ · pith_short_8: Y3XVRY3E

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/Y3XVRY3EJLQRWIOQBTCPOI3KLW \
  | 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: c6ef58e3644ae11b21d00cc4f7236a5da57b542b7cb13192b257da7578fb1279

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64a45fb047a70ae371b76164bdeb67414bc0337885dae900e8506eadd6ae17bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-09-01T14:16:44Z",
    "title_canon_sha256": "e07433eb96fffede5318406c724ffc590daaeb0feacfa55729ec4f7ddf86af62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.00487",
    "kind": "arxiv",
    "version": 1
  }
}