Pith Number

pith:IYULW5DP

pith:1999:IYULW5DPQSLK73BSQLCKFES3UI

not attested not anchored not stored refs pending

Topology in QCD with 4 flavours of dynamical fermions

A. Di Giacomo (Pisa), B. Alles (Milano-Bicocca), M. D'Elia (Pisa)

arxiv:hep-lat/9912012 v1 · 1999-12-07 · 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{IYULW5DPQSLK73BSQLCKFES3UI}

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	2026-05-18T01:39:10.187100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4628bb746f8496afec3282c4a2925ba21b8091376164ebd8efb9f9c8ff25acef

Aliases

arxiv: hep-lat/9912012 · arxiv_version: hep-lat/9912012v1 · doi: 10.48550/arxiv.hep-lat/9912012 · pith_short_12: IYULW5DPQSLK · pith_short_16: IYULW5DPQSLK73BS · pith_short_8: IYULW5DP

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/IYULW5DPQSLK73BSQLCKFES3UI \
  | 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: 4628bb746f8496afec3282c4a2925ba21b8091376164ebd8efb9f9c8ff25acef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c60757a5cee66ffdcdd1dc5274ea643bd1805246bcb47014ea6ffc2980451ad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-lat",
    "submitted_at": "1999-12-07T16:15:28Z",
    "title_canon_sha256": "46fa8902a44911c986451b2c5b8acd44ed74539f8fcab17ffd517d8f85749173"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-lat/9912012",
    "kind": "arxiv",
    "version": 1
  }
}