Pith Number

pith:DHA4P3YZ

pith:2021:DHA4P3YZG67MGKIGOMD7RYXZAR

not attested not anchored not stored refs pending

Modern Machine Learning and Particle Physics

Matthew D. Schwartz

arxiv:2103.12226 v1 · 2021-03-22 · hep-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{DHA4P3YZG67MGKIGOMD7RYXZAR}

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	2026-07-05T04:30:18.320213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19c1c7ef1937bec329067307f8e2f9047945b864af2b945989916021b0fdaf21

Aliases

arxiv: 2103.12226 · arxiv_version: 2103.12226v1 · doi: 10.48550/arxiv.2103.12226 · pith_short_12: DHA4P3YZG67M · pith_short_16: DHA4P3YZG67MGKIG · pith_short_8: DHA4P3YZ

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/DHA4P3YZG67MGKIGOMD7RYXZAR \
  | 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: 19c1c7ef1937bec329067307f8e2f9047945b864af2b945989916021b0fdaf21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb2a654da7a88993cd429ee7e7780b87040a21d03d806a474f064294c099f579",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2021-03-22T23:22:33Z",
    "title_canon_sha256": "499743d9e1fecff1f8ce7fd7a4ba306bce851962691e4758c4d26f747b2e5df1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.12226",
    "kind": "arxiv",
    "version": 1
  }
}