Pith Number

pith:WJA3KRCN

pith:2020:WJA3KRCN74FBAAFDZCK6OLVCAN

not attested not anchored not stored refs pending

The $\epsilon'/\epsilon$-Story: 1976-2021

Andrzej J. Buras

arxiv:2101.00020 v2 · 2020-12-31 · hep-ph · hep-ex · hep-lat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJA3KRCN74FBAAFDZCK6OLVCAN}

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	2026-07-05T02:17:46.997877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b241b5444dff0a1000a3c895e72ea203446884fc9e3c5fd517280a7577986642

Aliases

arxiv: 2101.00020 · arxiv_version: 2101.00020v2 · doi: 10.48550/arxiv.2101.00020 · pith_short_12: WJA3KRCN74FB · pith_short_16: WJA3KRCN74FBAAFD · pith_short_8: WJA3KRCN

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/WJA3KRCN74FBAAFDZCK6OLVCAN \
  | 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: b241b5444dff0a1000a3c895e72ea203446884fc9e3c5fd517280a7577986642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60dcf206a4b1351ae67091097444327a35322c77308decde4d87b118d512dc69",
    "cross_cats_sorted": [
      "hep-ex",
      "hep-lat"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2020-12-31T19:00:03Z",
    "title_canon_sha256": "593aceaab2dc4d1cf0b8b9171db54de42e7768d6fec18ba2a012ce858cb2d902"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.00020",
    "kind": "arxiv",
    "version": 2
  }
}