Pith Number

pith:N32CL55Z

pith:2017:N32CL55ZWDZ5RHZU2UBFRVE3E4

not attested not anchored not stored refs pending

Solving petrological problems through machine learning: the study case of tectonic discrimination using geochemical and isotopic data

Diego Perugini, Maurizio Petrelli

arxiv:1706.10108 v1 · 2017-06-30 · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N32CL55ZWDZ5RHZU2UBFRVE3E4}

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	2026-05-18T00:41:09.474094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ef425f7b9b0f3d89f34d50258d49b27062fd4dc9081dd622a6ac309db53ac07

Aliases

arxiv: 1706.10108 · arxiv_version: 1706.10108v1 · doi: 10.48550/arxiv.1706.10108 · pith_short_12: N32CL55ZWDZ5 · pith_short_16: N32CL55ZWDZ5RHZU · pith_short_8: N32CL55Z

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/N32CL55ZWDZ5RHZU2UBFRVE3E4 \
  | 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: 6ef425f7b9b0f3d89f34d50258d49b27062fd4dc9081dd622a6ac309db53ac07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03d36f3415f0c06870d8384d81aa22799321f3b4805f174b8a3abe88bb62fc9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2017-06-30T10:37:50Z",
    "title_canon_sha256": "fcc615135e841b5ee74f44551f9ab8a3b4b2fc8dc03efb5393e099384d1a2efd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.10108",
    "kind": "arxiv",
    "version": 1
  }
}