Pith Number

pith:SXWRHGHQ

pith:1997:SXWRHGHQCPFF5M2YMHHWYA55L2

not attested not anchored not stored refs pending

The Loop Algorithm

H.G. Evertz

arxiv:cond-mat/9707221 v3 · 1997-07-21 · cond-mat.str-el · cond-mat.stat-mech · hep-lat · physics.comp-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{SXWRHGHQCPFF5M2YMHHWYA55L2}

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	2026-05-18T02:40:19.165058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95ed1398f013ca5eb35861cf6c03bd5e93aeee01fd48728ca76fe9f62dd98a73

Aliases

arxiv: cond-mat/9707221 · arxiv_version: cond-mat/9707221v3 · doi: 10.48550/arxiv.cond-mat/9707221 · pith_short_12: SXWRHGHQCPFF · pith_short_16: SXWRHGHQCPFF5M2Y · pith_short_8: SXWRHGHQ

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/SXWRHGHQCPFF5M2YMHHWYA55L2 \
  | 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: 95ed1398f013ca5eb35861cf6c03bd5e93aeee01fd48728ca76fe9f62dd98a73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6340b009a16092083cf2482be2ba3f84a94f58ad428fc15b9ef145b3a80ad482",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "hep-lat",
      "physics.comp-ph"
    ],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "1997-07-21T21:57:45Z",
    "title_canon_sha256": "957f83cce8235840518e0208ee66576f2deae65ea62c9f4d7c52733f443c5723"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9707221",
    "kind": "arxiv",
    "version": 3
  }
}